Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AQA GCSE Chemistry Weydon > Atomic Structure > Flashcards

Atomic Structure Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

1. What is an element?

A
  1. A substance made of one type of atom.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. What is a compound?
A
  1. A substance made of two or more elements chemically combined.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. What is a mixture?
A
  1. A substance made of two or more elements or compounds NOT chemically combined.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. What technique do you use to separate water from salt water?
A
  1. Distillation. The water will evaporate and then condense. The salt will remain.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. What technique do you use to separate sand from salt water?
A
  1. Filtration. The sand will be left in the filter (residue).
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. How many atoms are in a molecule of CO2
A
  1. 3
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. How many elements are in a molecule of CO2
A
  1. 2 (carbon and oxygen)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. Write the word equation for the reaction between iron and oxygen to make iron oxide.
A
  1. Iron + oxygen –> iron oxide
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. Describe the plum pudding model of the atom.
A
  1. A cloud of positive charge with small negatively charged electrons scattered in it.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. What two conclusions were made from the alpha particle scattering experiments.
A
  1. The mass of an atom is concentrated in the centre (nucleus). The nucleus is charged.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. How did Bohr and Chadwick improve the atomic model?
A
  1. Electron shells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. What is the radius of the atom?
A
  1. 0.1nm
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. How big is radius of the nucleus compared to the radius of the atom?
A
  1. 1/10,000 time smaller
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. What is 1nm in metres in standard form?
A
  1. 1 x 10-9 m
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. What is the relative mass of protons, neutrons and electrons?
A
  1. 1,1,0
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What is the relative charge of protons, neutrons and electrons?
A
  1. +1, 0 , -1
17
Q
  1. What does the atomic number tell you about an atom?
A
  1. The number of protons (which is equal to the number of electrons)
18
Q
  1. What does the mass number tell you about an atom?
A
  1. The total number of protons and neutrons.
19
Q
  1. How many protons, neutrons and electrons are in sodium?
A
  1. 11, 12, 11
20
Q
  1. How do atoms become ions?
A
  1. Lose or gain electrons
21
Q
  1. What is an isotope?
A
  1. Same element, different number of neutrons
22
Q
  1. How many electrons fit into the first, second and third electron shells?
A
  1. 2,8,8
23
Q
  1. Why do elements in the same column of periodic table have similar chemical properties?
A
  1. Same number of electrons in outer shell.

AQA GCSE Chemistry Weydon (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions