Atoms
This is the smallest part of an element.
atom?
How many electrons can the first shell hold?
2
The sum of protons and neutrons in the nucleus of an atom.
mass number?
What is your favourite subject at school?
any answer is fine, but if chemistry is answered they get 500 points instead
What country is your teacher from?
Australia
How many VALENCE ELECTRONS are in the carbon atom?
4
The number of protons in an atom of a certain element.
atomic number?
An element has 4 neutrons and 7 protons. What is the mass number of its atom?
11
What are the relative charge of protons, neutrons and electrons
electron: negative
Proton: Positive
Neutron: 0
Write the electronic configuration of the beryllium atom
2,2?
What is my favourite food?
Meat Pie
The atomic number of Oxygen.
8
What is the relative mass of a proton, electron and neutron?
proton: 1
Neutron: 1
electron: 1/1840
What is the name given to the rows (across) and columns (down) on the periodic table
Row: Period
Columns: Groups
How many electron shells does Sulfur have?
3
State the number of protons, neutrons and electrons in Cl-?
Protons = 17
Neutrons 18
Electrons = 18
What are the three subatomic particles?.
electron, neutron and proton
A 2+ cation of Magnesium has what electronic configuration?
2,8
If an element has a mass number of 59 and atomic number of 12, how many neutrons
47
How many valence electrons does Chlorine have?
7