Science STAAR

Science STAAR

8th Grade

18 Qs

quiz-placeholder

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Science STAAR

Science STAAR

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

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

+1

Standards-aligned

Created by

Charles Martinez

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which value is most likely the number of protons for saturntonium?

388

219

169

171

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Which statement is a valid conclusion based on the information?

Saturntonium is nonreactive

Saturntonium has properties unlike any other element

Saturntonium is very reactive

Saturntonium has properties most similar to period 7 metals

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What information from the table could help the student identify the element?

Protons

Neutrons

Atomic mass

Valence electrons

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which model represents the most reactive atom?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What element, based on the subatomic particles in the atom, is shown?

Beryllium

Helium

Lithium

Oxygen

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following characteristics is similar for fluorine and iodine?

Number of protons

Number of neutrons

Number of orbitals

Number of valence electrons

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What element contains 7 protons and 5 valence electrons?

Boron

Vanadium

Nitrogen

Lithium

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