Atoms

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  • Created by: Nicole D
  • Created on: 18-12-13 16:16
Atoms
21 Questions
1 of 22
What is an element made up of?
One type of atom
2 of 22
Where are the elements listed?
In the periodic table
3 of 22
What is an atom?
Simplest form of the element
4 of 22
What does it display?
The chemical properties of that element
5 of 22
What is a compound?
Two or more different types of atoms chemically combined in a fixed ratio
6 of 22
What is a molecule?
Two or more atoms chemically combined using covalent bonds
7 of 22
What is the difference between a compound and a molecule?
The atoms are different in a compound but in a molecule the atoms may be the same
8 of 22
What are the 3 subatomic particles?
Protons, Neutrons and Electrons
9 of 22
What are the relative charge and relative mass of protons?
Relative charge: +1 ; Relative mass: 1
10 of 22
What are the relative charge and relative mass of neutrons?
Relative charge: 0 ; Relative mass: 1
11 of 22
What are the relative charge and relative mass of electrons?
Relative charge: -1 ; Relative mass: 1/1836 (almost 0)
12 of 22
Atoms contain a central ____(1)____ containing ____(2)____ and _____(3)_____
(1) Nucleus ; (2) Protons ; (3) Neutrons
13 of 22
The nucleus is ______ ________ compared to the size of the whole atom.
Very small
14 of 22
The nucleus is surrounded by ____(1)____ in energy levels (or ___(2)___)
(1) Electrons ; (2) Shells
15 of 22
Atoms have no _________ ________ because they contain the same amount of protons and __________
Electric charge ; Electrons
16 of 22
Atomic number = no. of __________
Protons
17 of 22
Mass number = no.of _________ + no. of _________
Protons ; Neutrons
18 of 22
Number of protons = ___________________
Atomic number
19 of 22
Number of neutrons = ___________________
Mass number - Atomic number
20 of 22
Number of electrons = ___________________
Atomic number
21 of 22
Fluorine has a mass number of 19 and an atomic number of 9. Calculate the no. of protons, neutrons and electrons.
Protons = 9 ; Neutrons = 10 ; Electrons = 9
22 of 22

Other cards in this set

Card 2

Front

What is an element made up of?

Back

One type of atom

Card 3

Front

Where are the elements listed?

Back

Preview of the front of card 3

Card 4

Front

What is an atom?

Back

Preview of the front of card 4

Card 5

Front

What does it display?

Back

Preview of the front of card 5
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