Periodic Table

Question 1

What are the columns in the PT called?

Answer 1

Groups

Question 2

What are the rows in the PT called?

Answer 2

Periods

Question 3

What are metal characteristics?

Answer 3

Lustrous, solid at room temperature (except mercury), conducts electricity and heat, malleable and ductile.

Question 4

What are non-metal characteristics?

Answer 4

Dull, some are solid, many are gases one is liquid (bromine), insulators, brittle, not malleable or ductile.

Question 5

Metalloids

Answer 5

Have some metal like properties and some non-metal properties.

Question 6

Malleable

Answer 6

Can be flattened into sheets, e.g aluminum foil

Question 7

Ductile

Answer 7

Can be stretched into wires

Question 8

Brittle

Answer 8

Break easily

Question 9

What is a metalloid?

Answer 9

Metalloid (semi-metal) is an element between metal and non-metal.

Question 10

How do you find the number of protons in an element?

Answer 10

Atomic number of an element is the same number of protons that the atom contains.

Question 11

How do you find the number of electrons in an element?

Answer 11

Atomic number of an element is the same number of electrons that the atom contains.

Question 12

How do you find the number of neutrons in an element?

Answer 12

Atomic mass (rounded) - Atomic number