Hw

Question 1

Nucleus

Answer 1

Controls protein synthesis, dna, growth. Eukaryotic cells only have a nucleus

Question 2

Properties of a proton

Answer 2

Helps bind the nucleus together +1 mass 1

Question 3

Property of a neutron

Answer 3

No positive charge and are the center of an atom

Question 4

Properties of an electron

Answer 4

Relative charge -1 no relative mass

Question 5

Atomic number

Answer 5

The number or protons in a nucleus

Question 6

Mass number

Answer 6

The number of protons and neutrons in a nucleus

Question 7

Isotopes

Answer 7

Are variants of a particular chemical element which differ in neutron number.

Question 8

Group number

Answer 8

The lines going down on the periodic table

Question 9

Period number

Answer 9

The lines going across the periodic table

Question 10

Electron arrangement

Answer 10

How they are arranged

Question 11

What is the mass of an electron?

Answer 11

0.000005 (rounded to 0)

Question 12

How do you find neutrons?

Answer 12

Mass number-proton number=neutrons

Question 13

What is the number at the top right of a symbol?

Answer 13

Mass number

Question 14

What is the number at the bottom right?

Answer 14

The protons/electrons/atomic number

Question 15

The metals are on the. Hand side of the perodic?

Answer 15

Right

Question 16

The non metals are on the. Hand side of the periodic table

Answer 16

Left

Question 17

What colour does lithium burn when reacted to water?

Answer 17

Red

Question 18

What colour does potassium burn?

Answer 18

Lilac

Question 19

What colour does sodium burn when reacted with water?

Answer 19

Orange/yellow