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Chemistry Atoms

Authored by Lisa Thompson

Science

7th Grade

NGSS covered

Used 1+ times

Chemistry Atoms
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A stable isotope

are atoms with an unstable nuclei

are atoms with stable nuclei

is radioactive

does not exist

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An unstable isotope

never breaks down

has a stable nucleus

is radioactive

doesn't have radioactivity

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The smallest building block of all matter in the universe.

Atom

Matter

Proton

Element

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The center portion of an atom containing the protons and neutrons

Proton

Nucleus

Neutron

Electron

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2 or more atoms bonded together that share electrons

Molecule

Oxygen

Matter

Element

Tags

NGSS.MS-PS1-1

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Oxygen has an atomic mass of _____; this it the number of _____.

about 16; protons and neutrons.

8; protons.

about 16; neutrons.

about 16; protons and electrons.

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The atomic number of oxygen is

8

15.9994

16

O

Tags

NGSS.MS-PS1-1

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