Warm-up - Periodic Table - February 11, 2020

Warm-up - Periodic Table - February 11, 2020

8th Grade

15 Qs

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Warm-up - Periodic Table - February 11, 2020

Warm-up - Periodic Table - February 11, 2020

Assessment

Quiz

8th Grade

Hard

Created by

Amoy Scott

Used 4+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pure substance is composed of more than one element?

carbon

gold

water

sodium

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The atomic number of an atom is always equal to the total number of

neutrons in the nucleus

protons in the nucleus

neutrons plus protons in the atom

protons plus electrons in the atom

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes electrons?

they are positive subatomic particles and are found in the nucleus

they are positive subatomic particles and are found surrounding the nucleus

they are negative subatomic particles and are found in the nucleus

they are negative subatomic particles and are found surrounding the nucleus

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Because Carbon cannot be broken down and changed into simpler substances, it is classified as _ _ _ _.

an element

a compound

a mixture

a molecule

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Neon and sodium are examples of

metalloids

compounds

mixtures

elements

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance formed when 2 or more elements chemically combine is known as a _ _ _ _.

compound

metalloid

solution

mixture

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water is _ _ _ _.

an element

a compound

a mixture

a solution

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