Tests Questions

Question 1

n =

Answer 1

nano

Question 2

dk =

Answer 2

deka

Question 3

M =

Answer 3

mega

Question 4

m =

Answer 4

milli

Question 5

G =

Answer 5

billions

Question 6

p =

Answer 6

pico

Question 7

d =

Answer 7

deci

Question 8

which one is the largest ..

k u T M

Answer 8

T - trillions

Question 9

which one is the largest ?

p dk c m

Answer 9

dk

Question 10

154.1dm ______km

Answer 10

.01541

Question 11

0.44g = _____mg

Answer 11

.000 000 44

Question 12

0.7Gm= ______hm

Answer 12

7 000 000

Question 13

T or F:

an alpha particle is the same as a hydrogen nucleus -

Answer 13

False

Question 14

T or F -

41 Ge -4 has 3 electrons.
32

Answer 14

true

Question 15

T or F

it is rare for an element to have isotopes -

Answer 15

false

Question 16

82 or more protons =

Answer 16

radioactive

Question 17

T or F:

195 Pt & 196 Pt have same # of protons -
78 78

Answer 17

true

Question 18

it’s found in the nucleus w/ positive charge -

Answer 18

proton

Question 19

in the nucleus, no charge -

Answer 19

nucleus

Question 20

orbits outside of nucleus, negative charge -

Answer 20

electron

Question 21

changes in # of particle creates an ion -

Answer 21

proton & electrons

Question 22

it identifies the element -

Answer 22

protons

Question 23

changes in this causes an isotope -

Answer 23

neutrons

Question 24

174 Yb —-> 4 He + _______ _____

70 2 _______

Answer 24

170 Er

68

Question 25

he said electrons are found in a specific energy levels -

Answer 25

Bohr

Question 26

Philosophers think I am wrong -

Answer 26

Democritus

Question 27

all matter is made of atoms =

Answer 27

Dalton

Question 28

light energy -

Answer 28

Max Plank

Question 29

don’t know electrons exact location but the probability of it -

Answer 29

schrodinger and bohr

Question 30

model is the same as daltons -

Answer 30

democritus

Question 31

electrons move randomly around nucleus -

Answer 31

rutherford

Question 32

he said that there is same amount of matter present after chemically reaction has happened as there was before -

Answer 32

Dalton

Question 33

we can know electrons location & momentum -

Answer 33

heisengerg

Question 34

wrote “something prinicples” -

Answer 34

heisenberg

Question 35

he said electrons dont move around randomly -

Answer 35

Bohr

Question 36

he said it’s a dense center ; mostly empty space -

Answer 36

rutherford

Question 37

explain what will happen when an electron is hit w/ a photon that has 5 units of energy -

Answer 37

nothing will happen to the electron

Question 38

describe ground state —-> excited state -

Answer 38

starts at ground state
becomes heated & absorbs energy
gets excited
rises to higher energy level
unstable
releases energy
back to ground state

Question 39

T or F;

nobel gas = interia gas.

Answer 39

False

Question 40

atomic radius from smallest to largest -

In , B , Ti

Answer 40

B , In , Ti

Question 41

how to find valence electrons (2) -

Answer 41

group # - look at ones place

ask sister for d and f block

Question 42

36 S
16

P =
N =
E =

Answer 42

16
20
10

Question 43

13 C
6

P =
N =
E =

Answer 43

13
7
13

Question 44

10 B +3
5

P =
N =
E =

Answer 44

5
5
2

Question 45

31 P
15

P =
N =
E =

Answer 45

15
16
15

Question 46

B +3 - 12

P =
N =
E =

Answer 46

5
7
2

Question 47

9 Be +2
4

P =
N =
E =

Answer 47

4
5
2

Question 48

15 N
7

P =
N =
E =

Answer 48

7
8
7

Question 49

40 Ca +2
20

P =
N =
E =

Answer 49

20
20
18

Question 50

24 Mg 2+
12

P =
N =
E =

Answer 50

12
12
10

Question 51

_
Br - 81

P =
N =
E =

Answer 51

35
46
36

Question 52

k =

Answer 52

kilo