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