Brainscape's Knowledge GenomeTM

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


See full index

Hesi Chem > Hesi > Flashcards

Hesi Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Which of the following is true?

A

water is not a good conductor

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

what makes up an atomic number?

amount of

A

protons=amount of electrons which makes it neutral

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

van der Waals forces

the

A

two weakest intermolecular attractions- dispersion interactions and dipole forces

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

Which intermolecular force is the strongest?

hydrogen bonding

A

hydrogen bonding

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

How do you find atomic number?

Number of protons

A

Number of protons

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

How do You find atomic mass?

A

protons + neutrons

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

What is the oxidation reaction of Mg?

A

Mg+2

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

What is the process called when hydrogen and hydroxide are combined?

A

Neutralization

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

What kind of bonding occurs when opposite changes are attracted to one another?

A

ionic bonding

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

atomic mass?

A

proton + Neutrons

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

dispersion forces (London dispersion forces)

A

the weakest of all molecular interactions, are caused by the motion of electrons

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

What is the charge of magnesium?

What value is more acidic ?
6.1(the lowest number)

A

2+

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

What do you do in a moles to grams conversion

A

Multiply

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

What is the systematic name for ammonia ?

A

Nitrogen Trihydrate

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

What do catalysts do?

A

speed up the rate of a chemical reaction without being consumed
lowers the amount of activation energy for a chemical reaction

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

What does the law of conservation of energy state?

A

Energy cannot be created or destroyed, it simply changes form.

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

What is the term for the amount of heat necessary to raise the temperature if 1 gram of that molecule by 1

A

Specific heat

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

What value is more acidic ?

A

6.1(the lowest number)

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

what is the scientific notation of 1.15 to 10 power -3

A

0.00115

20
Q

An isotope is the same number of protons but different

A

neutron

21
Q

Which is true ?

A

Fe(-) is smaller then Fe

22
Q

where can you find eletrons?

A

orbit

23
Q

What is the process called when you are most likely to encounter an electron?

A

obrital??

24
Q

what is the strongest type of bond?

A

covalent bond

25
Q

What is NAOH considered in the equation?

left side=Reactant

A

left side=Reactant

26
Q

what forms of water can be seen on earth?

A

liquid
vapor
gas

27
Q

what structure is formed from two amino acids and a peptide bond?

A

protein

28
Q

what is an example of an alloy?

A

two metals

29
Q

Carbon-14 ?

A

8 Neutrons
6 protons
6 electrons

30
Q

polyatomic for copper(1) cyanide

A

Cu+CN-

31
Q

what is an atomic number

A

Number of protons

protons

32
Q

What are some transition metals ?

A

Fe Zn Cu Ag Co

33
Q

What is the charge of oxygen?

A

2-

34
Q

what is the name for ammonia?

A

NH3

35
Q

what is the charge of noble gases?

A

0

36
Q

Polarity is ?

A

based on the difference in electronegativity values for the elements involved

37
Q

What reactions takes place in the nucleus to obtain stable nuclear configurations?

A

Nuclear reactions

38
Q

The attraction of one dipole to another is?

A

Dipole interactions

39
Q

Which change of matter is when no change is made to the chemical composition of a substance?

A

Physical

40
Q

Matter that changes in volume with changes in temp and pressure ?

A

Gas

41
Q

Matter that has a definite volume and a definite shape is a ____.

A

Soild

42
Q

what is Fe and what kind of metal is it?

A

it is a transition metal and its called “iron”

43
Q

What happens when a substance is mix?

A

its is chemically changed

44
Q

what is van der waals equations?

A

Pv=nRT

45
Q

K(potassium) charge

A

+1

46
Q

What does ammonia have?

A

Nitrogen and Hydrogen

47
Q

What do you do when it is a Grams to Moles conversion?

A

divide by molar mass

Hesi Chem (1 decks)

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