Splitting the Atom

Question 1

Molecule?

Answer 1

Smallest unit of chemical compound that can take part in chemical reaction

Question 2

Element?

Answer 2

Pure substance made up of only one type of atom

Question 3

Compound

Answer 3

Substance made up of two/more different elements chemically bonded together

Question 4

Where are electrons located

Answer 4

Orbiting the shell of atom

Question 5

Number of electrons =

Answer 5

Protons in Neucleus

Question 6

The periodic table is organised by

Answer 6

Atomic numbers (No. protons present)

Question 7

The element is defined by

Answer 7

Atomic number

Question 8

Atoms in same group have..

Answer 8

Similar chemical properties

Question 9

Atomic numbers =

Answer 9

No. electrons/protons in atom

Question 10

Mass number?

Answer 10

Sum of protons/neutrons in nucleus

Question 11

To find the amount of neutrons

Answer 11

Subtract atomic no. from mass no.

Question 12

8 groups of table?

Answer 12

1: Alkali (React w water)
2: Alkaline earth
7: Halogens (Brightly coloured)
8: Noble gases (Dont react w anything)

Question 13

Left side of table

Answer 13

Metals

Question 14

Right side of table

Answer 14

Non metals

Question 15

In between

Answer 15

Metalloids

Question 16

Atoms?

Answer 16

Smallest unit of chemical element that can exist