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The atom review covid

Authored by Nicole Lock

Chemistry

10th - 12th Grade

Used 3+ times

The atom review covid
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16 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the mass of an atom that has 25 protons, 35 electrons, and 25 neutrons?

60 amu

50 amu

10 amu

25 amu

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many neutrons are in C-14?

6

7

8

14

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What electron configuration represents a sodium atom in an excited state?

2-7-2

2-7-1

2-8-1

2-8-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many electrons are in an atom with 4 protons and 6 neutrons?

2

10

6

4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What charge do electrons have and where are they located?

positive, nucleus

positive, electron shell

negative, nucleus

negative, electron shell

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mass of a neutron is equal to the mass of

an electron

a proton

an alpha particle

a beta particle

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the charge of the nucleus of an aluminum atom?

+27

+13

-13

0

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