Mi-Star

Mi-Star

6th Grade

15 Qs

quiz-placeholder

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Mi-Star

Mi-Star

Assessment

Quiz

Science

6th Grade

Practice Problem

Hard

NGSS
MS-PS1-1, MS-ETS1-2, HS-PS1-1

+9

Standards-aligned

Created by

Lisa Thompson

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A chemist is identifying the elements present in a sample of seawater. What characteristic of an element’s atoms always determines the element’s identity?

The number of neutrons

The number of protons

The location of valence electrons

The number of valence electrons

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Four students were asked to name the parts of an atom that determine the atom’s identity and chemical properties. The students’ responses are shown in the table below.

Student 1

Student 2

Student 3

Student 4

Tags

NGSS.MS-PS1-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do electrons of an element determine that element's reactivity?

If the valence shell has missing electrons it is very reactive to attract or lose more electrons.

If the valence shell has a full ring of electrons it is very reactive because it needs more.

If the valence shell has a full shell of electrons it is very reactive because it is already full.

If the valence shell has missing electrons it is not reactive because it is missing electrons.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How many valence electrons does the atom of Carbon-14, shown above have?

14

10

6

4

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

2
8
3
13

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

2
6
10
16

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

1
2
3
4

Tags

NGSS.MS-PS1-1

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