Quiz about ChemQuiz1

Question 1

what is an atom

Accepted Answer

smallest part of anything

Answer

smallest part of the universe

Answer

smallest part of a substance

Answer

smallest part of water

Question 2

Ozone and Oxygen molecules are the same substance because they both are made only of oxygen atoms.

Accepted Answer

false

Answer

true

Question 3

What is the chemical symbol for carbon?

Accepted Answer

C

Answer

Ca

Answer

Cn

Answer

Crn

Question 4

Molecules bonded together make up atoms.

Accepted Answer

false

Answer

true

Question 5

In a chemical reaction or change a new substance is not created.

Accepted Answer

false

Answer

true

Question 6

What did the second man drink?

Accepted Answer

Hydrogen Peroxide

Answer

Arsenic

Answer

Helium Oxolate

Question 7

Pure substance that consists entirely of one type of atom.

Accepted Answer

Element

Answer

Solution

Answer

Mixture

Answer

Compound

Question 8

What is matter

Accepted Answer

Anything that takes up space and has mass

Answer

Anything which is solid

Answer

when something is wrong

Question 9

What is the State of Matter ?

Accepted Answer

Solid

Answer

Liquid

Answer

Gas

Answer

Solution

Question 10

State of Matter?

Accepted Answer

Plasma

Answer

Liquid

Answer

Gas

Answer

Solid

Question 11

The Law of Conservation of Matter says that elements make up matter.

Accepted Answer

False

Answer

True

Question 12

Elements have the most similar properties if they are in the same _______?

Accepted Answer

Groups

Answer

Periods

Answer

Rows

Answer

Blocks

Question 13

What type of elements does the image show?

Accepted Answer

Metalloids

Answer

Metals

Answer

Nonmetals

Answer

Gases

Question 14

What two sub-atomic particles are found in the nucleus of an atom?

Accepted Answer

Neutrons and Protons

Answer

Shells and Electrons

Answer

Electrons and Protons

Answer

Electrons and Neutrons

Question 15

protons

Accepted Answer

positive charge , nucleus

Answer

negative charge, nucleus

Answer

positive charge, shells

Answer

neutral charge, nucleus

Question 16

neutrons

Accepted Answer

neutral, no charge, nucleus

Answer

no charge, shells

Answer

positive charge, nucleus

Answer

negative charge, shells

Question 17

electrons

Accepted Answer

negative charge, shells

Answer

no charge, nucleus

Answer

positive charge, nucleus

Answer

negative charge, nucleus

Question 18

atomic number

Accepted Answer

number of protons/stands for an element

Answer

number of neutrons

Answer

number of electrons

Answer

number of protons and neutrons

Question 19

mass number

Accepted Answer

number of protons and neutrons

Answer

number of protons

Answer

number of electrons

Answer

number of protons and electrons

Question 20

atomic symbol

Accepted Answer

capital letter

Answer

lowercase letter

Answer

2 capital letters

Answer

2 lowercase leters

Question 21

same number of protons, different number of neutrons

Accepted Answer

isotope

Answer

atomic number

Answer

mass number

Answer

ion

Question 22

a charged atom

Accepted Answer

ion

Answer

neutral

Answer

isotope

Answer

nucleus

Question 23

if something can burn then it is-------------

Accepted Answer

flammable

Answer

cold

Answer

easy to break

Answer

turns black

Question 24

If an Ice cream melts will it be

Accepted Answer

Physical Change

Answer

Chemical change

Answer

Elemental change

Answer

states of matter changes

Question 25

What is the difference between Chemical and Physical changes

Accepted Answer

Chemical makes a new substance, Physical is the state of matter

Answer

Physical Creates a new substance, Chemical changes the state of matter

Answer

I don't know cause i haven't studied for the benchmark

Answer

I don't know cause i didn't pay attention in class

Question 26

What type of mixture contains visible parts (like a salad or a pizza or granite)

Accepted Answer

heterogenous

Answer

homogenous

Question 27

Gold is an example of a(n)

Accepted Answer

pure element

Answer

pure compound

Answer

pure mixture

Question 28

Air is an example of a(n)

Accepted Answer

homogenous mixture

Answer

element

Answer

compound

Answer

heterogenous mixture

Question 29

Phase changes (going from a solid to a liquid to a gas) are what types of changes?

Accepted Answer

physical

Answer

chemical

Question 30

who developed the modern day periodic table of elements?

Accepted Answer

Mendeleev

Answer

Darwin

Answer

Shultz

Answer

Hooke

Question 31

On the Periodic Table each element increases by one _________

Accepted Answer

proton

Answer

electron

Answer

neutron

Answer

letter

Question 32

In a family or column, the elements have similar properties because they all have the same number of

Accepted Answer

valence electrons

Answer

protons

Answer

neutrons

Answer

electrons

Question 33

The vertical (up and down) columns in the Periodic Table are called

Accepted Answer

groups

Answer

towers

Answer

periods

Answer

atomic numbers

Question 34

The image shows the periodic grid for POTASSIUM. What is Potassium's atomic number?

Accepted Answer

19

Answer

39

Answer

20

Answer

Impossible to tell

Question 35

The image shows the periodic grid for POTASSIUM. How many PROTONS are found in a potassium atom?

Accepted Answer

19

Answer

39

Answer

20

Answer

Impossible to tell

Question 36

What is the atomic mass of Neon?

Accepted Answer

20.18

Answer

10

Answer

10.18

Question 37

What is the atomic number of this atom?

Accepted Answer

3

Answer

1

Answer

4

Answer

7

Question 38

Negatively charged particles found outside of the nucleus of an atom are called ______.

Accepted Answer

electrons

Answer

protons

Answer

neutrons

Question 39

Positively charged particles found in the nucleus of an atom

Accepted Answer

Proton

Answer

Neutron

Answer

Electron

Question 40

A neutral particle found in the nucleus of an atom

Accepted Answer

neutron

Answer

proton

Answer

electron

Question 41

Identify the equation to calculate the number of neutrons for Nitrogen.

Accepted Answer

14-7=7

Answer

7-7=0

Answer

14.0067-7=7.0067

Answer

14+7=21

Question 42

Calculate the number of neutrons for potassium.

Accepted Answer

20

Answer

19

Answer

39

Answer

58

Question 43

This symbol indicates a _______.

Accepted Answer

proton

Answer

neutron

Answer

electron

Question 44

What 2 elements make up water?

Accepted Answer

Hydrogen and Oxygen

Answer

Hydrogen and Carbon

Answer

Carbon and Oxygen

Answer

Oxygen and Helium

Question 45

An electron is located ...

Accepted Answer

outside the nucleus.

Answer

in the nucleus.

Question 46

Which formula has 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 47

Which region of an atom has a negative charge?

Accepted Answer

The electron cloud

Answer

The nucleus

Answer

Both nucleus and electron cloud

Answer

The neutrons

Question 48

What is the smallest 'building block' of the elements that make up the universe?

Accepted Answer

An atom

Answer

An electron

Answer

A proton

Answer

A cell

Question 49

6 in = ___ ft

Accepted Answer

1/2

Answer

21

Answer

1/4

Question 50

the measuring unit of mass in the British system is ..........

Accepted Answer

pound

Answer

gm

Answer

Kg

Answer

foot

Question 51

Which of the following pairs of physical quantity and SI unit is correct ?

Accepted Answer

Temperature - SI unit : Kelvin

Answer

Mass - SI unit : Gram

Answer

Time - SI unit : Hour

Answer

Electric current - SI unit : Volt

Question 52

What kind of energy does this device use?

Accepted Answer

Electrical

Answer

Chemical

Answer

Thermal

Answer

Chemical

Question 53

Energy of motion is which type of energy?

Accepted Answer

Kinetic

Answer

Potential

Answer

Sound

Answer

Gravitational

Question 54

When a soccer ball is on a field, the energy it has just before being kicked is called

Accepted Answer

potential energy

Answer

kinetic energy

Answer

mechanical energy

Answer

chemical energy

Question 55

What is energy?

Accepted Answer

The ability to cause a change

Answer

A force

Answer

Electricity

Answer

The ability to transform work

Question 56

What kind of energy do scissors use?

Accepted Answer

Mechanical

Answer

Thermal

Answer

Electrical

Answer

Solar

Question 57

Donovan Bailey and Maurice Greene tie for the world record for the fastest 50 meter sprint. How many centimeters is this?

Accepted Answer

5,000 centimeters

Answer

500 centimeters

Answer

50,000 centimeters

Answer

500,000 centimeters

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