Periodic Table
Atomic Structure
Element Identification
Periodic Trends
Electron Configuration
100
What number tells you the number of protons and electrons?
Atomic Number
100

What is the centre of the atom?

Nucleus

100
What is the name of element number 1?
Hydrogen
100

What does the group number tell you? 

The number of electrons in the outer shell

100
How many electrons fit on the first energy level?
2
200
How do you figure out the number of neutrons?
Subtract the atomic number from the atomic mass
200
What particle has a positive charge?
Proton
200
What element has an atomic mass of 238.
U, Uranium
200

What does the period number tell you? 

The number of shells in an atom of that elemet

200

How many electrons fit on the second energy level?

8

300
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
300
What particle has no charge?
Neutron
300
What is the name of the element with the elemental symbol Zr?
Zirconium
300

What happens to the reactivity of Group 1 and Group 7 elements as you go down the group?

Group 1 - reactivity increases 

Group 7 - reactivity decreases

300

What is the electron configuration for NEON

2, 8

400
How many liquids are on the periodic table?
2
400
What particle has a negative charge?
Electron
400

What element is a gas with 22 neutrons?

Argon 

400

Why are group 1 metals called the alkali metals?

When they react with water, Group 1 elements form metal hydroxides which are alkaline

400

What is the electron configuration for Calcium

2, 8, 8, 2

500

What does the term 'valence electrons' mean? (2 things)

number of electrons on outermost shell, tells the group number of an element

500

What subatomic particle is not inside the nucleus?

Electron

500

What element has 17 electrons?

Chlorine 

500
What element is a sold named after a state with 253 neutrons?
Californium
500

Total number of electrons in all shells 

What is the atomic number? 

M
e
n
u