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Unit 4 Post Assessment Remediation (PAR)

Authored by Mary Giza

Science

10th Grade

NGSS covered

Used 2+ times

Unit 4 Post Assessment Remediation (PAR)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the 19th century, Dmitri Mendeleev predicted the existence of a then unknown element X with an oxide formula X₂O₃. Element X could be which of the following?

beryllium

gallium

sodium

germanium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

2.

MATCH QUESTION

1 min • 1 pt

Choose the group that corresponds to each element.

Chlorine

Alkali metal

Barium

Transition Metal

Rubidium

Halogen

Cobalt

Alkaline earth metal

Xenon

Noble gas

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element has chemical properties that are most similar to the chemical properties of sodium?

Mg

K

Se

Cl

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At STP, which element is malleable and a good conductor of electricity?

xenon

silicon

platinum

hydrogen

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At STP, which element is solid, brittle, and a poor conductor of electricity?

Al

K

Ne

S

Tags

NGSS.HS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diamond and graphite have different properties because they have different

crystal structures

electronegativities

numbers of protons per atom

numbers of valence electrons per atom

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which changes in both charge and radius occur when an atom loses an electron?

A negative ion is formed with a smaller radius than the atom.

A negative ion is formed with a larger radius than the atom.

A positive ion is formed with a smaller radius than the atom.

A positive ion is formed with a larger radius than the atom.

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