Elements, Atoms, Molecules And Compounds Flashcards
1
Q
What is an element
A
A substance made up of 1 type of atom
2
Q
What can elements exist as
A
Singular atoms or molecules
3
Q
What is a molecule
A
Two or more atoms chemically bonded
4
Q
What is an atom
A
The simplest particle of an element that can exist on its own in a stable environment
5
Q
What is the middle of an atom called
A
The nucleus
6
Q
What is in the nucleus
A
Protons and neutrons
7
Q
What orbits in shells around the nucleus
A
Electrons
8
Q
What is the relative mass of a proton
A
1
9
Q
What is the relative mass of neutron
A
1
10
Q
What is the relative mass of an electron
A
1/1840
11
Q
What is the charge of a proton
A
+1
12
Q
What is the charge of a neutron
A
0
13
Q
What is the charge of an electron
A
-1
14
Q
What is a compound
A
A substance made up of two or more different elements chemically bonded
