Science Test 14/15

Question 1

What is a element?

Answer 1

*One kind of atom
*Cannot be separated into it’s simplest form
* 3 examples are Oxygen, Iron, and Helium.

Question 2

What is a compound?

Answer 2

*Made of 2 or more kinds of atoms chemically combined in a certain ratio
*Multiple Elements combined together to form new matter
*3 examples are Water (H 2 O)

Question 3

Mixture

Answer 3

*2 or more elements or compounds mixed together physically
*Not chemically combined
Each part keeps its own chemical identity
*Can be heterogeneous (different throughout) or homogeneous (same throughout)
*Example: Bowl of Salad, Sand, Lost and Found Bin

Question 4

What family is Hydrogen in?

Answer 4

Hydrogen family.

Question 5

What family is Lithium down in?

Answer 5

Alkali Metals

Question 6

What family is Beryllium down in?

Answer 6

Alkaline earth metals

Question 7

What family is Scandium across to Zinc down to Mercury across and down one to Hassium in?

Answer 7

Transition metals