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Atoms, Neutrons, Isotopes

Authored by David Mcgilvray

Science, Chemistry

8th - 9th Grade

Used 65+ times

Atoms, Neutrons, Isotopes
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the atomic number of Neon, Ne?

10
20.1798
10.1798
7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A neutral atom of the isotope 2612Mg would consist of

12 protons, 26 neutrons, 26 electrons
26 protons, 12 neutrons, 26 electrons
26 protons, 14 neutrons, 14 electrons
12 protons, 14 neutrons, 12 electrons

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An atom is electrically neutral when

protons and neutrons are the same
protons and electrons are the same
neutrons and electrons are the same
neutrons balance the protons and electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Isotopes of the same element have the same number of 

protons
neutrons
electrons
not enough information

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Iron-60 (atomic number 26) is an isotope that is often used to study meteorites.  How many neutrons does iron-60 have?

26
60
34
86

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208. The average atomic mass of lead is 207.2. Which isotope of lead is likely to be the most found in nature?

204

206

207

208

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following particle pairs has approximately the same mass?

protons and neutrons
protons and electrons
neutrons and electrons
protons, neutrons and electrons

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