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Chem A Final Study Guide

Authored by Joshua Baltzell

Science

10th Grade

NGSS covered

Used 22+ times

Chem A Final Study Guide
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the number of significant figures in the number: 0.0054

2
4
3
1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct answer with the correct number of significant figures: 2.56 x 0.32

0.82

0.819

0.8192

0.8

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

What is the mass of an atom of Magnesium with 13 neutrons?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An isotope is defined as...

A variant of an element with the same number of protons but a different number of neutrons.
A variant of an element with the same number of protons but a different number of electrons.
A variant of an element with the same number of neutrons but a different number of protons.
A variant of an element with the same number of electrons but a different number of protons.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the compound that is created from combining the ions of Sodium (Na) and Oxygen (O)?

Sodium Oxide (NaO)

Sodium Peroxide (Na2O2)

Sodium Hydroxide (NaOH)

Sodium Oxide (Na2O)

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a proton?

+2
-1
0
+1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the definition for Hund's Rule regarding electron configuration?

Electrons will fill orbitals in pairs with opposite spins before filling them singly.
Hund's Rule is not related to electron configuration.
Electrons will fill orbitals in any order without regard to spin.
Electrons will fill orbitals singly with parallel spins before filling them in pairs.

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