12 Week Key Terms Reteach Tutorial

12 Week Key Terms Reteach Tutorial

9th Grade

30 Qs

quiz-placeholder

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12 Week Key Terms Reteach Tutorial

12 Week Key Terms Reteach Tutorial

Assessment

Quiz

Science

9th Grade

Medium

NGSS
HS-PS1-1, MS-PS1-5, HS-PS1-3

+1

Standards-aligned

Created by

CINDY RIGSBY

Used 1+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the atomic number of an element?

The number of protons in an atom

The number of neutrons in an atom

The number of electrons in an atom

The sum of protons and neutrons in an atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a chemical property?

Color

Density

Reactivity with acid

Melting point

Tags

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the average atomic mass of an element with two isotopes: one with a mass of 10 amu and 20% abundance, and another with a mass of 11 amu and 80% abundance.

10.2 amu

10.8 amu

11.0 amu

10.5 amu

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which electron configuration represents a noble gas?

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mass number of an atom with 15 protons, 16 neutrons, and 15 electrons?

30

31

32

33

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements is an alkali metal?

Calcium

Sodium

Aluminum

Chlorine

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain why noble gases are generally unreactive.

They have a full outer electron shell.

They have high electronegativity.

They have low ionization energy.

They have a high atomic radius.

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