General Chemistry Unit 1 & 2

Question 1

What are the three states of matter?

Answer 1

Solid, liquid, and gas.

Question 2

What are the two states of energy?

Answer 2

Kinetic Energy and potential energy.

Question 3

What is kinetic energy?

Answer 3

Energy that is in motion.

Question 4

What is potential energy?

Answer 4

Energy that is stored.

Question 5

What is an atom?

Answer 5

The basic building block of matter or the smallest unit particle of an element.

Question 6

What is an element?

Answer 6

A substance that contains only one type of atom.

Question 7

What is a compound?

Answer 7

Any pure substance that can be broken down into two or more pure substances.

Question 8

Define mixture.

Answer 8

A combination of two or more pure substances

Question 9

Define heterogeneous mixtures.

Answer 9

mixtures that are not evenly distributed different.

Question 10

Define homogenous mixtures.

Answer 10

uniformly distributed. The solution does not separated and can not be separated by filtration.

Question 11

Define chemical changes.

Answer 11

new bonds are form and/or old bonds are broken. Chemical reaction new products are formed.

Question 12

Define physical changes

Answer 12

change in physical state, no new substance is formed.

Question 13

What is the equation of finding density?

Answer 13

D= m/v

Question 14

When does water freeze in farhenheit?

Answer 14

32 Farheheit

Question 15

Define Allotropes

Answer 15

Different arrangements of elements in three dimensions can give rise to extraordinary differences.

Question 16

What is the mole conversion?

Answer 16

6.022 * 10^23

Question 17

Define Precision

Answer 17

degree of uncertainty in a measurement affects repeatability.

Question 18

Define accuracy.

Answer 18

How close the true value measurement is.

Question 19

C = what?

Answer 19

2.998E8 ms^-1

Question 20

What is the wave length units?

Answer 20

m, cm, nm

Question 21

What is the symbol for wave length?

Answer 21

a reflected k

Question 22

What is the symbol for frequency?

Answer 22

a v with a longer line on the right wing

Question 23

What is the units to find frequency?

Answer 23

Hertz

Question 24

What is the frequency to wave length?

Answer 24

C=reflected k *long v

Question 25

What is the equation to find E?

Answer 25

E=h*long v

Question 26

What is h?

Answer 26

h= 6.626*10^-34

Question 27

What is long v?

Answer 27

1.6*10^6

Question 28

What is E?

Answer 28

-2.179*10^-18

Question 29

How do i find E?

Answer 29

E=hc/reflected k

Question 30

What does n mean?

Answer 30

number of levels or shells? The bigger n means larger orbital and higher energy.

Question 31

What is the symbol for sublevel?

Answer 31

l (0 to 3)

Question 32

What is the symbol for energy level?

Answer 32

n (1 to 7)

Question 33

What is the symbol for orbital?

Answer 33

mi magnetic (-3 to 3)

Question 34

What is the symbol of electron spin in an orbital?

Answer 34

ms (+1/2 or -1/2)

Question 35

How do you write a ground state electron configuration?

Answer 35

Nxy Ex: 1s^2

Question 36

What does G.S.E.C mean?

Answer 36

Ground State electron configuration.

Question 37

How do you find the GSEC as an energy diagram?

Answer 37

Shown table.

Question 38

What is valence electrons?

Answer 38

The electrons in an atom's outermost energy level

Question 39

What is the octet rule?

Answer 39

atoms gain, lose, or share valence electrons in order to end up with 8 valence electrons.

Question 40

What does ionization mean?

Answer 40

The energy required to remove one electron from a neutral gaseous atom of an element

Question 41

What is an ionization energy?

Answer 41

Show above

Question 42

Looking on the periodic table going from top to bottom vertically what does that mean?

Answer 42

The elements decreases and becomes easier to pull off. The distance from the nucleus increases

Question 43

Looking on the periodic table going from left to right horizantally what does that mean?

Answer 43

The octet rule. Atoms on left are close to having an octet if they lose an electron.

Question 44

From top to bottom what does that mean on a periodic table?

Answer 44

It means that the atomic size is bigger. The farther vertically down you go on the periodic table the bigger the orbital.

Question 45

From right to left horizantally what does that mean on a periodic table?

Answer 45

It means the atomic size is smaller

Question 46

What does Zeff mean?

Answer 46

Effective nuclear charge.

Question 47

What does diamagnetic mean? Shown on the diagram

Answer 47

Anything with a paired electron

Question 48

What does a paramagnetic mean? Shown on the diagram

Answer 48

Any unpaired electron

Question 49

When drawing the diagram how many dashes does the s orbital get

Answer 49

1 dash for each number.

Question 50

When drawing the diagram how many dashes does the p orbital get?

Answer 50

3 dashes for each number

Question 51

When drawing the diagram how many dashes does the d orbital get?

Answer 51

5 dashes should be drawn for each number

Question 52

What is a degenerate orbitals

Answer 52

Orbitals that are first occupied by one electron each with the same spin.

Question 53

What are the d-block exception?

Answer 53

Cr, Cu

Question 54

What is the equation to find the number of atoms?

Answer 54

Given mass of element/molar mass then multiplied by 6.023

Question 55

What is Avogadro number?

Answer 55

6.023 *10^23

Question 56

Where is the molar mass located?

Answer 56

Found on the periodic table

Question 57

How is energy measured?

Answer 57

In Joules

Question 58

"h" is equal to?

Answer 58

6.626*10^-34 (J/s is the units)

Question 59

"c" is equal to?

Answer 59

2.998*10^8 (m/s is the units)