Question 1

Which of the following is NOT one of the metalloids?

Accepted Answer

Be

Answer

Ge

Answer

Si

Answer

B

Question 2

This element is common to all acids.

Accepted Answer

hydrogen

Answer

oxygen

Answer

nitrogen

Answer

carbon

Question 3

Which of the following is an element?

Accepted Answer

Ne

Answer

CO

Answer

CO$_2$

Answer

H$_2$O

Question 4

Which of the following is/are element/s?

Accepted Answer

A and B

Answer

B only

Answer

C and D

Answer

D only

Question 5

What do the elements sulfur (S), nitrogen (N), helium (He), and carbon(C) have in common?

Accepted Answer

they are nonmetals

Answer

they have the same number of protons

Answer

they have the same number of neutrons

Answer

they are noble gases

Question 6

Where are the metals located?

Accepted Answer

medium shaded section to the left

Answer

dark shaded section in the middle

Answer

lightly shaded section to the right

Answer

the entire section would be the metals

Question 7

An element cannot __________.

Accepted Answer

be broken down by chemical means to simpler substance

Answer

be part of a heterogeneous mixture

Answer

interact with other elements to form compounds

Answer

be a pure substance

Question 8

Oxygen is __________.

Accepted Answer

an element

Answer

always combined with oxygen

Answer

a compound

Answer

a mixture

Question 9

An element is a pure substance that contains _____.

Accepted Answer

one type of atom only

Answer

chemical reactions

Answer

new substance

Answer

word equations

Question 10

Elements are shown in the __________.

Accepted Answer

periodic table

Answer

chemical formula

Answer

chemical reactions

Answer

word reactions

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