Quiz about 10 Chemistry Pre-Test

Question 1

An atom becomes _________ when it gains electrons.

Accepted Answer

Negative

Answer

Positive

Answer

Neutral

Answer

Invinsible

Question 2

An atom becomes _______ when it loses electrons.

Accepted Answer

Positive

Answer

Negative

Answer

Neutral

Answer

Invinsible

Question 3

Nitrogen, N, will form which of the following ions?

Accepted Answer

N-3

Answer

N

Answer

N-5

Answer

N+5

Question 4

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

Accepted Answer

electrons being transferred to Fluorine

Answer

electrons being shared

Answer

electrons being transferred to Lithium

Answer

electrons being destroyed

Question 5

Which element is this?

Accepted Answer

Neon

Answer

Nickel

Answer

Sodium

Answer

Nitrogen

Question 6

What does the nucleus of an atom contain?

Accepted Answer

Protons and neutrons

Answer

Electrons and neutrons

Answer

Neutrinos and positrons

Answer

DNA and RN

Question 7

What is the picture displayed?

Accepted Answer

compound

Answer

atom

Answer

element

Answer

molecule

Question 8

Which of the following best describes the structure of a water molecule?

Accepted Answer

2 hydrogen atoms bonded to 1 oxygen atom

Answer

2 oxygen atoms mixed with 1 hydrogen atom

Answer

2 hydrogen atoms mixed with 1 oxygen molecule

Answer

2 hydrogen atoms bonded with 1nitrogen atom

Question 9

^{The photo above shows the isotopic notation for which isotope?}

Accepted Answer

Carbon 14

Answer

Carbon 12

Answer

Carbon 13

Answer

Carbon 15

Question 10

What is the name of the pictured isotope?

Accepted Answer

Copper-63

Answer

Copper-29

Answer

Copper-34

Answer

CopperWopperHopperBopper

Question 11

In a covalent bond, one or more electrons are?

Accepted Answer

shared

Answer

lost

Answer

gained

Answer

transferred

Question 12

What two types of atoms make a covalent bond?

Accepted Answer

2 Nonmetals

Answer

1 Nonmetal and 1 Metal

Answer

2 Metals

Answer

2 Noble Gases

Question 13

Which of the following is the correct Lewis structure for a water molecule ( $$H_2O$$ )?

Accepted Answer

$$H - O - H$$ with two lone pairs on oxygen

Answer

$$H - O - H$$

Answer

$$H = O = H$$

Answer

$$H - O - H$$ with one lone pair on oxygen

Question 14

What is the atomic number of Carbon?

Accepted Answer

6

Answer

12

Answer

14

Answer

8

Question 15

Which of the following ions has a +2 charge?

Accepted Answer

$$Mg^{2+}$$

Answer

$$Na^+$$

Answer

$$Cl^-$$

Answer

$$K^+$$

Question 16

Which isotope of Carbon is used in radiocarbon dating?

Accepted Answer

$$^{14}C$$

Answer

$$^{12}C$$

Answer

$$^{13}C$$

Answer

$$^{15}C$$

Question 17

Which element has the highest electronegativity?

Accepted Answer

Fluorine

Answer

Oxygen

Answer

Nitrogen

Answer

Chlorine

Question 18

What type of bond is formed between sodium and chlorine in sodium chloride ( $$NaCl$$ )?

Accepted Answer

Ionic bond

Answer

Covalent bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 19

Which of the following molecules is non-polar?

Accepted Answer

$$CO_2$$

Answer

$$H_2O$$

Answer

$$NH_3$$

Answer

$$CH_3Cl$$

Question 20

What is the electron configuration of a neutral oxygen atom?

Accepted Answer

$$1s^2 2s^2 2p^4$$

Answer

$$1s^2 2s^2 2p^6$$

Answer

$$1s^2 2s^2 2p^3$$

Answer

$$1s^2 2s^2 2p^5$$

Question 21

Which of the following elements is a transition metal?

Accepted Answer

Iron

Answer

Sodium

Answer

Aluminium

Answer

Sulphur

Question 22

What is the main type of bonding in a piece of copper metal?

Accepted Answer

Metallic bonding

Answer

Ionic bonding

Answer

Covalent bonding

Answer

Hydrogen bonding

Question 23

Which of the following elements has the smallest atomic radius?

Accepted Answer

Carbon

Answer

Lithium

Answer

Beryllium

Answer

Boron

Question 24

Which of the following molecules has a trigonal planar shape?

Accepted Answer

$$BF_3$$

Answer

$$CH_4$$

Answer

$$NH_3$$

Answer

$$H_2O$$

Question 25

What is the charge on the ion formed by an atom of aluminium?

Accepted Answer

$$+3$$

Answer

$$+1$$

Answer

$$+2$$

Answer

$$-3$$

Question 26

Which of the following is an example of a polar covalent bond?

Accepted Answer

$$H - Cl$$

Answer

$$H - H$$

Answer

$$O - O$$

Answer

$$N - N$$

Question 27

Which of the following elements has the highest ionisation energy?

Accepted Answer

Phosphorus

Answer

Sodium

Answer

Magnesium

Answer

Aluminium

Question 28

What is the molecular formula of methane?

Accepted Answer

$$CH_4$$

Answer

$$CH_3$$

Answer

$$C_2H_6$$

Answer

$$C_2H_4$$

Question 29

Which of the following elements is a halogen?

Accepted Answer

Fluorine

Answer

Oxygen

Answer

Nitrogen

Answer

Neon

Question 30

What is the bond angle in a water molecule ( $$H_2O$$ )?

Accepted Answer

$$104.5^\circ$$

Answer

$$109.5^\circ$$

Answer

$$120^\circ$$

Answer

$$180^\circ$$

Question 31

Which of the following elements has the lowest electronegativity?

Accepted Answer

Potassium

Answer

Fluorine

Answer

Oxygen

Answer

Sodium

Question 32

What type of bond is present in a molecule of nitrogen gas ( $$N_2$$ )?

Accepted Answer

Triple covalent bond

Answer

Single covalent bond

Answer

Double covalent bond

Answer

Ionic bond

Question 33

Which of the following is an example of an isotope?

Accepted Answer

$$^{12}C$$ and $$^{14}C$$

Answer

$$^{12}C$$ and $$^{12}N$$

Answer

$$^{14}C$$ and $$^{14}N$$

Answer

$$^{12}C$$ and $$^{12}O$$

Question 34

Which of the following elements is in Group 2 of the periodic table?

Accepted Answer

Magnesium

Answer

Sodium

Answer

Aluminium

Answer

Sulphur

Question 35

What is the molecular geometry of $$CH_4$$ ?

Accepted Answer

Tetrahedral

Answer

Linear

Answer

Trigonal planar

Answer

Bent

Question 36

Which of the following elements has the highest atomic mass?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Helium

Answer

Carbon

Question 37

What is the formula for the sulphate ion?

Accepted Answer

$$SO_4^{2-}$$

Answer

$$SO_3^{2-}$$

Answer

$$S_2O_3^{2-}$$

Answer

$$S_2O_4^{2-}$$

Question 38

Which of the following molecules is polar?

Accepted Answer

$$H_2O$$

Answer

$$CO_2$$

Answer

$$CH_4$$

Answer

$$N_2$$

Question 39

Which of the following elements is a noble gas?

Accepted Answer

Helium

Answer

Hydrogen

Answer

Nitrogen

Answer

Oxygen

Question 40

What is the main type of bonding in a diamond?

Accepted Answer

Covalent bonding

Answer

Ionic bonding

Answer

Metallic bonding

Answer

Hydrogen bonding

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science