Atoms, Elements, Compounds & Mixtures. Flashcards
1
Q
- What is another name for a particle?
A
Atom
2
Q
- Name the 3 sub-atomic particles
A
Protons, neutrons, electrons.
3
Q
- What is the name given to the middle of an atom?
A
Nucleus.
4
Q
- Name the 2 particles in the nucleus.
A
Protons & neutrons.
5
Q
- Name the particle that travels around the nucleus.
A
Electron.
6
Q
- What charge is found on a proton?
A
+
7
Q
- What charge is found on a neutron?
A
No charge.
8
Q
- What charge is found on an electron?
A
-
9
Q
- What is the mass of a proton & neutron?
A
1
10
Q
- What is the mass of an electron?
A
1/1870
11
Q
- How are electrons arranged?
A
In shells / orbits.
12
Q
- How many electrons are found in each orbit?
A
2,8, 8, 2
13
Q
- What is the atomic number?
A
The number of protons.
14
Q
- What is the atomic mass?
A
The number of protons & neutrons.
15
Q
- What is found in the Periodic table?
A
Elements.
