IScience - Chapter 10 Test

Question 1

The alkali metals ___ with other elements.

Answer 1

Are reactive and bond easily

Question 2

A metal is often shiny, but is a ___ conductor of electricity.

Answer 2

Good

Question 3

Halogens frequently occur in nature as ___.

Answer 3

Compounds

Question 4

Elements on the far right of the periodic table are classified as ___.

Answer 4

Nonmetals

Question 5

Approximately how many elements are metals?

Answer 5

3/4 of the periodic table

Question 6

The place of an element in the modern periodic table is determined by its ___.

Answer 6

Atomic number

Question 7

A single horizontal portion of the periodic table is called ___.

Answer 7

A period

Question 8

Which elements have properties of both metals and nonmetals?

Answer 8

Metalloids

Question 9

The elements in the second column from the left edge of the periodic table are the ___.

Answer 9

Alkaline earth metals

Question 10

Main-block transition metals, such as iron, make good building materials for all of the following reasons EXCEPT \_\_\_.
A) High density
B) Insulation
C) Strength
D) Resistance to corrosion

Answer 10

B) Insulation

Question 11

Which of the following does NOT describe an alkali metal such as lithium?
A) Hard to cut
B) React quickly with oxygen
C) Silvery appearance
D) Low density

Answer 11

A) Hard to cut

Question 12

Which of the following is NOT a property of all metals?
A) Conduct electricity
B) Shiny
C) Does not conduct heat
D) Malleable when solid

Answer 12

C) Does not conduct heat

Question 13

All of the following objects conduct electricity. which is NOT a metal?
A) Lead
B) Carbon
C) Iron
D) Vanadium

Answer 13

B) Carbon

Question 14

Which general statement does NOT apply to metals?
A) Most metals are ductile.
B) Most metals are malleable.
C) Most metals are brittle.
D) Most metals are good conductors of electric current.

Answer 14

C) Most metals are brittle

Question 15

Which of the following properties is NOT common to alkaline earth metals?
A) Soft and silvery
B) Low density
C) React more quickly than alkali metals
D) Do not occur naturally

Answer 15

C) React more quickly than alkali metals

Question 16

Which of the following is NOT one of the main elements in the human body?
A) Oxygen
B) Lead
C) Carbon
D) Hydrogen

Answer 16

B) Lead

Question 17

What is different about noble gases?

Answer 17

They never form compounds in nature.

Question 18

Helium and most nonmetals are found in which area of the periodic table?

Answer 18

On the right side

Question 19

A halogen is found in group ___.

Answer 19

17

Question 20

A halogen is an element that can react with a metal and form ___.

Answer 20

Salt

Question 21

Halogens are only found in nature as ___.

Answer 21

Compounds

Question 22

What is the most common element in the universe?

Answer 22

Hydrogen

Question 23

Which elements are located between the metals and nonmetals on the periodic table?

Answer 23

Metalloids

Question 24

What is the most abundant METALLOID in the universe?

Answer 24

Silicon

Question 25

A metalloid acts as a conductor at ___.

Answer 25

High temperatures