Brainscape's Knowledge GenomeTM

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


See full index

Grade 9 Science > Chemistry > Flashcards

Chemistry Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What type of movement do solid particles have

A

Vibratory

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

What type of movement do liquid particles

A

Vibratory, translation, rotation

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

Gas particles move how

A

Random

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

What is a mechanical mixture

A

When multiple particles are in something but they are distinguishable

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

What is a solution

A

When a pure substance has more then one type of particle. Distinguishable

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

What is a solvent and solute

A

A solvent is usually water and a solute that mixed. The soloution is the end product when they are homogenous

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

What is an alloy

A

When two or more metals mix

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

Is lustre physical

A

Yes

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

Is optical clarity physical

A

Yes

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

Is brittleness (flexiness) physical

A

Yes

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

Is malleability (change shape without breaking) physical

A

Yes

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

Is ductility (resistance against being turned into thin strands) physical

A

Yes

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

Is viscosity physical

A

Yes

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

Is hardness (scratch) physical

A

Yes

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

Is conductivity physical

A

Yes

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

What is the formula for density

A

Mass/volume

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

What is the formula for mass

A

Density X volume

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

What is the formula for volume

A

Mass/density

19
Q

How many cm3 in 1ml

A

1

20
Q

How many cm3 in 1m3

A

1000000cm3

21
Q

Is toxicity chemical

A

Yes

22
Q

Is reactivity chemical

A

Yes

23
Q

Is combustibility chemical

A

Yes

24
Q

Is corrosion (rust) chemical

A

Yes

25
Q

Is synthesis (reacting with other to create product). Chemical

A

Yes

26
Q

Is stability chemical

A

Yes

27
Q

What are signs of chemical change

A

Change in Color, odor, state, producing a gas, heat

28
Q

What did dalton discover

A

Atoms

29
Q

What did JJ Thomson discover

A

Electrons

30
Q

What did Rutherford discover

A

Location of electrons

31
Q

What did Chadwick discover

A

Nucleus, protons and neutrons

32
Q

What did Bohr discover

A

Bohr-Rutherford model

33
Q

What are isotopes

A

Different atoms of the same element. Proton number and atomic weight

34
Q

What is the equation for charge

A

Protons - electrons

35
Q

What is the mass number equation

A

PROTON + neutron

36
Q

Why does salt remove ice

A

Because impurities added to ice decrease the freezing tempature

37
Q

Why is ice less dense than water

A

Because the hydrogen elements can bond with more atoms

38
Q

Which groups are reactive

A

Alkali, Earth metal, transition metals, Halogen (create salt)

39
Q

What is a chemical formula

A

Notation used to indicate the type and number of atoms in a pure substance

40
Q

What are diatonic elements

A

Elements that form molecules consisting of two atoms. Hydrogen, Nitrogen, Oxygen, Fluorine, Chlroine, Bromine, Iodine.

41
Q

What are ionic compounds

A

Compounds with metal and non-metal. Covalent are everything else

42
Q

What charge do electrons, protons, and neutrons have

A

Electron negative. Proton positive. Neutron neutral

43
Q

What is a cat/ an ion

A

Cat is positively charged

Grade 9 Science (4 decks)

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