Science Tech Atom

Science Tech Atom

8th Grade

25 Qs

quiz-placeholder

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Science Tech Atom

Science Tech Atom

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-PS1-1, HS-PS1-1, MS-PS2-3

+1

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A Student drew atomic models of four atomic models. Based on the drawings, which one is the least reactive?

Chlorine, because it has three energy levels with seven electrons in the third level

Gallium, because it has four energy levels with three electrons in the fourth level

Neon, because it has two energy levels with eight electrons in the second level

Tin, because it has five energy levels with four electrons in the fifth level

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity?

The 20 protons in each atom of calcium

The 2 valence electrons in each atom of calcium

The atomic mass of calcium, which is 40.078 amu

The density of calcium, which is 1.54 g/cm3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An atom consists of 12 protons, 12 electrons, and 12 neutrons. Which of the following can be used to identify the element?

Neutrons

Electrons

Atomic number

Atomic mass

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?

Sodium

Titanium

Vanadium

Magnesium

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

16 protons, 16 neutrons, and 16 electrons

16 protons, 32 neutrons, and 16 electrons

16 protons, 16 neutrons, and 32 electrons

32 protons, 16 neutrons, and 16 electrons.

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

28

14

42

7

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the mass number of the element nitrogen? It has 7 protons, 7 neutrons, and 7 electrons.

7

14

21

Tags

NGSS.MS-PS1-1

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