Show:
Periodic Table
ATOMS
Atomic Structure
Elements
Periodic Table & More
100
describes the amount of protons and electrons
What is the atomic number
100
this form of an atom has a different amount of neutrons
What is an isotope
100
Where protons and neutrons are found
What is the nucleus
100
Atomic number is 14
What is Silicon
100
The element in group 1, period 4.
What is Potassium.
200
found under the element name
What is the atomic mass
200
Matter is composed of ______.
What are atoms
200
This is between the outer shells of the atom
What is empty space
200
The family of Helium
What is Noble Gas
200
The element in period 3 that is a halogen.
What is Chlorine.
300
always a capital letter followed by a lowercase letter (if there is one)
What is element symbol
300
This has a positive charge
What is a proton
300
Where the electrons are found
What is the outer shells/ orbitals
300
Has 25 protons and 25 electrons
What is Manganese
300
The basic substances of matter organized on the Periodic Table are known as ______.
What are elements.
400
protons + neutrons
What is the atomic mass
400
This has a negative charge
What is an electron
400
The first person who came up with the idea of atomic structure
Who is Democritus
400
if an element has more electrons than another element, _____ must be larger
What is the atomic number.
400
Group 9 consists of ____.
What are Transition Metals.
500
composes the majority of the elements on the periodic table
What are metals
500
This has a neutral charge
What is a neutron
500
Where most of the mass of the atom is found
What is the nucleus
500
The atomic mass of this element is 40.078, and the atomic number is 20.
What is calcium
500
If an element has more protons than another element, this means that the ______ is higher.
What is the atomic number.