Elements
Metals and Non metals
Periodic Table
Compounds
Everything
100
what is the symbol for chlorine
Cl
100
What is the shine of metals called?
metallic luster
100
what is symbol for oxygen
0
100
what compound does H20 make?
Water
100
how many sperm does it take to fertilize an egg?
1
200
What is the symbol for potassium?
K
200
true or false: non-metal are good conductors of electricity
false
200
what are there more of on the periodic table metals or non metals.
metals
200
What are the 3 states of matter?
solid liquid gas
300
What is the atomic number of Hydrogen
2
300
Metals are usually silver gray in colour except for ________ and ___________
gold and copper
300
How many groups are there? and how many periods?
18 and 7
300
name the elements in the formula and how many there are of each element CaCl
1 Calcium 1 Chlorine
300
What is external fertilization
when the sperm and egg meet outside the body (frogs)
400
What is the atomic mass of oxygen?
15.99
400
Non-metals are not ________ this means they break when pressure is put upon them
malleable
400
how many elements are in the gas state on the periodic table
11
400
name the elements and number of elements in this formula COH3
1 Carbon 1 Oxygen 3 Hydrogen
400
Name 3 types of energy
electricity, motion, heat, sound, light
500
how many outer electrons does Carbon have?
4
500
what is more important to human life metals or non metals and explain why.
non-metals because without oxygen we would be able to survive.
500
how many elements are in the liquid state on the periodic table
1 mercury
500
in the formula which are metals and which are non-metals NaCl2H
Metals: Sodium and Hydrogen Non-metals: Chlorine
500
what is my favourite colour?
purple
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