Counting Elements and Atoms 2

Counting Elements and Atoms 2

6th - 8th Grade

20 Qs

quiz-placeholder

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Counting Elements and Atoms 2

Counting Elements and Atoms 2

Assessment

Quiz

Chemistry

6th - 8th Grade

Hard

NGSS
MS-PS1-1, MS-PS1-5, HS-PS1-7

+1

Standards-aligned

Created by

Mark Romero

Used 18+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many Hydrogen atoms are in 4H2O?

6
8
2
4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many Magnesium atoms are in 10MgCl2?

10
5
20
12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

element symbol; atoms
atom; element symbol
subscript; protons
compound; elements

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If there is no subscript, there is ______ atom(s) of that element.

0
2
only 1
1 million

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms are in the element Carbon in this compound?
H2C3O4N5

2
3
4
5

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How many TOTAL atoms are in this compound?
H2C3O4N5

5
14
15
19

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many elements are present in this compound?
Mg2As3COHNi2

2
4
6
10

Tags

NGSS.MS-PS1-1

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