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Unit 1: Atoms and Atomic Structure

Authored by Ana Esqueda

Chemistry, Science

11th - 12th Grade

Used 8+ times

Unit 1: Atoms and Atomic Structure
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43 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a negatively charge subatomic particle?

Electron

Neutron

Proton

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A positively charged subatomic particle is called?

Neutron

Electron

Proton

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A neutral subatomic particle is called

Neutron

Electron

Proton

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

(2 right answers) How did the concept of the atom change from the time of Democritus to the time of John Dalton?

Democritus lacked experimental support and was not based on the scientific method.

Democritus explained chemical behavior using experimental support

Democritus reasoned atoms could be divisible and indestructible

Democritus reasoned that atoms were indivisible and indestructible.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find atomic number?

The number of protons in an atom

Electrons in the outermost energy level of an atom

A subatomic particle that has a positive charge and is found in the nucleus of an atom

the mass before a chemical reaction is equal to the mass after a chemical reaction

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the mass number?

Bands of light formed as excited electrons return to ground state; used to identify elements

The sum of the protons and neutrons

A subatomic particle that has a positive charge and is found in the nucleus of an atom

Atoms of the same element with different mass numbers due to varying numbers of neutrons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What two subatomic particles are located in the Nucleus?

Protons and

Neutrons and Electrons

Protons and Neutrons

Quarks and Electrons

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