8th 4/13-4/14 EOC

8th 4/13-4/14 EOC

8th Grade

7 Qs

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8th 4/13-4/14 EOC

8th 4/13-4/14 EOC

Assessment

Quiz

Science

8th Grade

Medium

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

Standards-aligned

Created by

undefined Hernandez

Used 13+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A Student drew atomic models of four atomic models. Based on the drawings, which one is the least reactive?

Chlorine, because it has three energy levels with seven electrons in the third level

Gallium, because it has four energy levels with three electrons in the fourth level

Neon, because it has two energy levels with eight electrons in the second level

Tin, because it has five energy levels with four electrons in the fifth level

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An atom consists of 12 protons, 12 electrons, and 12 neutrons. Which of the following can be used to identify the element?

Neutrons

Electrons

Atomic number

Atomic mass

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An atom has 11 protons, 12 neutrons, and 11 electrons. What is the identity of the element?

Sodium

Titanium

Vanadium

Magnesium

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 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

5.

MULTIPLE CHOICE QUESTION

30 sec • 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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An element’s reactivity and other chemical properties are determined by the number of -

isotopes it has.

oxidation states.

valence electrons.

orbitals in an atom.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Valence electrons are electrons in the shell

furthest from the nucleus

closest to the nucleus

having the lowest energy level

that has the fastest electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2