Brainscape's Knowledge GenomeTM

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


See full index

Yr 10 Science Yearly > Atomic structures > Flashcards

Atomic structures Flashcards

1
Q

What is an element

A

A element is a atom that all have the same number of protons in their nucleus .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define a compound

A

A compound is a combination of different elements into a single unit.

Example : water H2O
Carbon dioxide CO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is an atom?

A

The smallest single unit of an element

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Define Proton?

A

It’s a tiny particle that has a positive charged particle inside the nucleus .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is An electron ?

A

It’s a negative particle that revolves around the outside of the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Define a neutron?

A

It’s a particle of matter that has no charge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The nucleus of an atom contains 2 particles , what are they?

A

Protons and neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The charge of the nucleus is

A

Positive

Why ? Because the nucleus of a atom contains protons which is a positive charge.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Most of the weight of an atom is in what part of the atom?

A

In the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Define Matter

A

Matter is a substance , it’s anything that takes up space

Eg: everything around you -people, cars. All atoms and molecules around you.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The size of an atom is determined by the orbit diameter of ?

A

Electrons around the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the number of an atom that explains how many protons are in the nucleus

A

It’s the Atomic Number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How do we determine the atomic mass of an atom

A

By the total number of neutrons and protons in the nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Ernest Rutherford discovered that the nucleus of atoms was very small or very big compared to the size of the atom ?

A

Very small

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The early Greek model was made up of what?

A

Made up of indivisible particles/ units

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

An alpha particle is a
A. big nucleus
B. Helium nucleus
C. Small nucleus

A

B.Helium nucleus

What does the helium nucleus contain? 2 protons and 2 neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is a beta particle?

A

It’s a negatively charged particle or

A fast moving electron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The periodic table lists atoms in order of increasing numbers , what are these numbers called?

A

Atomic numbers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

On the periodic table in what group are the alkaline groups ?

A

Group 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

On the periodic table where are the alkali group?

A

Group 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What experiment is Ernest Rutherford well known for ?

A

The gold foil experiment

22
Q

Ernest Rutherford performed a famous experiment by what?

A

He fired a beam of alpha particles through a gold film , measuring the deflection of particles

23
Q

Five ways to increase the speed of a chemical reaction ?

A
  1. Temperature
  2. Concentration
  3. Pressure
  4. type of reactants
24
Q

When the number of electrons and protons in an atom are different it is no longer an atom , what is it?

A

A Ion

25
Q

Where are metals located on the periodic table ?

A

Left side

26
Q

Where are non metals located on the periodic table

A

Right side

27
Q

Where are Metalloids located on the periodic table

A

Between the metals and non metals

28
Q

Gases are located in what group on the periodic table

A

Group 8 on the periodic table which is the right side

29
Q

Adding ice to a chemical reaction will make the reaction slower or faster?

A

Slower

30
Q

Burning a chemical in the prescience of oxygen is a

A. Explosive reaction
B. Powdery reaction
C. Exothermic reaction
D. Combustion reaction

A

Combustion reaction

31
Q

Isotopes of an element are different … Why ?

A

Because they have different numbers of neutrons

32
Q

Carbon dating can only be used on ?

A

Organic materials

33
Q

What is a Geiger counter used for ?

A

It detects radiation

34
Q

Three common acids are

A

Sulfuric acid
Nitric acid
Citric acid

35
Q

Who invented the periodic table

A

Dmitri Mendeleev

36
Q

Neutral solutions have a PH equal to?

A.3
B.8
C.7
D.1

A

7

37
Q

Do acidic solutions have a PH level more than 7

A

No , they have a PH level less than 7

38
Q

Basic solutions have a PH level of more than 7?

True or false

A

True … Basic solutions have a PH level more than 7

39
Q

When magnesium is burned in air what new chemical is formed

A

Magnesium oxide

40
Q

When acid is added to magnesium what gas is produced

A

Hydrogen

Remember the test for this is called THE POP TEST

41
Q

When acid is added to calcium carbonate what gas is produced

A

Carbon dioxide

42
Q

A common base is

A

Sodium hydroxide

43
Q

What is the scientific method used to undertake an investigation
Remember ..R A M M R D C

A 
Research .
Aim
Materials
Method
Results
Discussion
Conclusion
44
Q

The number of electrons and protons in an atom are
A . Always the same
B. Flammable
C. Chemicals

A

A .always the same

45
Q

What is the scientific method used to undertake an investigation
Remember ..R A M M R D C

A 
Research .
Aim
Materials
Method
Results
Discussion
Conclusion
46
Q

The number of electrons and protons in an atom are
A . Always the same
B. Flammable
C. Chemicals

A

A .always the same

47
Q

When magnesium loses two electrons from its outmost electron shell what ion and charge does it make

A

MG2+

48
Q

When magnesium is burned in air the new chemical formed is

A

Magnesium oxide

49
Q

When acid is added to calcium carbonate what gas is produced?

A

Carbon dioxide

50
Q

If an equal amount of acid and base are combined a neutralised reaction occurs
True or false

A

True

51
Q

The number of atoms in a molecule of glucose are ?

A

24

52
Q

Radioactivity is the emission of ? And ? Particles or the emission of ? Waves from an atom

A

Alpha , beta particles and gamma

Yr 10 Science Yearly (1 decks)

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