Periodic Table
How Many?
Masses of Atoms
Structure of the Atom
100
Name one halogen.
F, Cl, Br, I, At
100
How many protons are in Nickel?
28
100
the smallest piece of matter that still has the properties of the element
What is an atom
100
particle with an electrical charge of 1-
What is an electron
200
What group is Barium (Ba) in?
What an Alkaline Earth Metal?
200
How many electrons?
28
200
a number equal to the number of protons in an atom
What is atomic number
200
particle with no charge
What is a neutron
300
a vertical column of elements on the periodic table
What is a group
300
How many neutrons?
35
300
The mass of electrons is considered this. The mass is so small that it will not affect the total mass of the atom
What is negligible?
300
the small, positively charged center of the atom
What is the nucleus
400
What type of element in Oxygen (O)?
What is a non-metal?
400
How many electrons?
116
400
This is the mass of protons and neutrons
1.67 x 10-27 kg
400
particle with an electrical charge of 1+
What is a proton
500
What kind of element is Arsenic (As)?
What is a metalloid?
500
How many protons, neutrons, and electrons?
111 p
171 n
111 e
500
the sum of the number of protons and the number of neutrons in an atom
What is the mass number
500
the area around the nucleus of an atom where its electrons are most likely found
What is an electron cloud