Which subatomic particles are equal in number in a neutral atom?

protons, neutrons & electrons are always equal

Which of the following DOES NOT accurately describe the most current atomic theory?

It is known as the planetary model

It is known as the electron cloud model

It is known as the Quantum Mechanical Model

It is more of a mathematical model than a physical model

Which of the following is FALSE regarding electrons?

It is possible to determine the exact location of an electron.

Electrons can change energy levels by absorbing or releasing energy.

The first two energy levels can hold 2, and 8 electrons (in that order)

The valence electrons are the outermost electrons.

Unit 9 Quiz Review-Atomic Structure

Quiz

•

Science

•

9th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS1-1, MS-PS2-3

Standards-aligned

Jennifer Bolton

Used 129+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Smallest of the 3 subatomic particles

protons

neutrons

electrons

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Positively charged; in the nucleus

protons

neutrons

electrons

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Has no electric charge

protons

neutrons

electrons

Not found in the nucleus

protons

neutrons

electrons

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

My atomic number is 3

Magnesium

Carbon

Neon

Beryllium

Lithium

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

I have 10 Neutrons

Magnesium

Nitrogen-15

Fluorine

Beryllium

Lithium

I have 8 Protons

Oxygen-17

Nitrogen-15

Fluorine-20

Beryllium

Lithium

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Unit 9 Quiz Review-Atomic Structure

20 questions

Smallest of the 3 subatomic particles

Positively charged; in the nucleus

Has no electric charge

Not found in the nucleus

My atomic number is 3

I have 10 Neutrons

I have 8 Protons

I have 9 subatomic particles in my nucleus

I have 6 Protons

I have 8 Protons

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