Elements, Compounds and Mixtures

Question 1

What is the combination of oxygen and iron?

Answer 1

Iron oxide(rust)

Question 2

What element did Mr McCarthy burn, setting off the smoke alarm.

Answer 2

Mg/Magnesium

Question 3

What is a metalloid?

Answer 3

A metalloid is a non metal and a metal

Question 4

What is a mixture?

Answer 4

A mixture is two different compounds mixed together

Question 5

What is the color of phosphorus?

Answer 5

Red

Question 6

What is a compound?

Answer 6

A compound is two or more elements chemically joined together!

Question 7

What is the formula of water?

Answer 7

H2O

Question 8

What are some physical properties?

Answer 8

They include:
Density
Whether it conducts electricity
Strength

Question 9

What is viscosity?

Answer 9

Viscosity is the thickness or gooiness of a liquid

Question 10

What is O?

Answer 10

Oxygen!

Question 11

What is He?

Answer 11

Helium!

Question 12

What is Na?

Answer 12

Sodium

Question 13

What is B?

Answer 13

Boron

Question 14

What is the fourth state of matter?

Answer 14

Plasma: A heated gas to extreme temperatures

Question 17

What is Fe?

Answer 17

Iron

Question 20

What is Hg?

Answer 20

Mercury

Question 21

What is Au?

Answer 21

Gold

Question 22

What are the three main states if matter?

Answer 22

Solids, liquids and gases

Question 23

What is Zn?

Answer 23

Zinc

Question 24

What is H?

Answer 24

Hydrogen

Question 25

What does H20 mean?

Answer 25

Two Hydrogen + One Oxygen