Test 10 - chapter 6 Flashcards

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

The halogen that is added to toothpaste and drinking water

A

fluorine

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

Most metals are…

A

solid

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

A very hard metal which is an important ingredient in stainless steel

A

nickel

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

The densest of the everyday metals

A

lead

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

The element that is the basic building block of all the compounds

A

carbon

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

The semimetal that is used to make computer chips

A

silicon

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

The only metal that is liquid at room temperature

A

mercury

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

anything that takes up space and bass mass

A

matter

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

the two particles that make up the nucleus of an atom

A

protons and neutron

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

The measure of the pull of gravity on an object

A

weight

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

The metric unit that is used to measure an object’s mass

A

gram or kilograms

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

the amount of matter that makes up an object

A

mass

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

the tiny particles that swarm at tremendous speeds around the core of an atom

A

electrons

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

the amount of matter in one unit of volume

A

density

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

the tiny, extremely dense core at the center of an atom

A

nucleus

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

the tiny particles of which all matter is composed

A

atoms

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

The halogen that is useful as a bleach and a germ-killing agent

A

chlorine

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

The colorless, odorless gas that makes up 78% of the earth’s atmosphere

A

nitrogen

19
Q

The halogen that is added to table salt to prevent a deficiency disease

A

iodine

20
Q

the elements which do not combine with anything else except under unusual circumstances

A

noble gases

21
Q

highly reactive elements that tend to form compounds with alkali and alkaline earth metals

A

halogens

22
Q

the organized arrangement of all known elements

A

periodic table of the elements

23
Q

the simplest kind of atom with one proton and one electron

A

hydrogen

24
Q

the study of what substances are made of and how one substance can be changed into another

A

chemistry

25
Q

formed by electrons that are in orbit the same distance from the nucleus

A

shell

26
Q

the most abundant element at the surface of the earth

A

oxygen

27
Q

the number of protons an atom has

A

atomic number

28
Q

lacking an electrical charge

A

neutral

29
Q

formed by electrons zooming around the nucleus of an atom

A

electron cloud

30
Q

The three main groups of elements

A

metals, nonmetals, semimetals

31
Q

two or more atoms firmly bound together

A

molecule

32
Q

what changes when an object changes from place to place

A

the weight changes

33
Q

Iodine when heard does not melt it does this, or turns to gas

A

sublimes

34
Q

If two objects have the same volume but different densities. the object made of the denser substance will weigh…

A

more

35
Q

Protons have what kind of charge?

A

positive

36
Q

a substance composed of one or more types of atoms bonded together

A

compound

37
Q

a substance that is composed of only one type of atom

A

element

38
Q

two electrons ________ each other (repel or attract)

A

repel

39
Q

A neutral atom has an ______ number of protons and electrons

A

equal

40
Q

a proces in which atoms of elements or compounds are rearranged to form new substances

A

chemical reaction

41
Q

a compound made of molecules

A

molecular compound

42
Q

the hardest of all known substances

A

diamond

43
Q

the rapid reaction of any substance with oxygen

A

combustion

44
Q

a compound made of charged atoms

A

ionic compound