Periodic Table

Question 1

Order of Elements 1-20

Answer 1

1. Hydrogen (H)
2. Helium (He)
3. Lithium (Li)
4. Beryllium (Be)
5. Boron (B)
6. Carbon (C)
7. Nitrogen (N)
8. Oxygen (O)
9. Flourine (F)
10. Neon (Ne)
11. Sodium (Na)
12. Magnesium (Mg)
13. Aluminum (Al)
14. Silicon (Si)
15. Phosphorus (P)
16. Sulfur (S)
17. Chlorine (Cl)
18. Argon (18)
19. Potassium (K)
20. Calcium (Ca)

Question 2

Groups

Answer 2

Vertical
Contain elements with similar properties

Question 3

Period

Answer 3

Horizontal
Have the same number of electron layers

Question 4

How many groups are there?

Answer 4

8

Question 5

How many periods are there?

Answer 5

7

Question 6

Group 1 A is ?

Answer 6

Alkali metals
Lithium
Sodium
Potassium

Question 7

Group 2 a is?

Answer 7

Alkaline earth metals
Beryllium
Magnesium
Calcium

Question 8

Group 7 a is?

Answer 8

Halogens (highly reactive)
Flourine
Chlorine

Question 9

Group 8 a is?

Answer 9

Noble gases

Question 10

What are the major elements in the body?

Answer 10

Hydrogen
Carbon
Nitrogen
Oxygen

Question 11

Rutherford’s Gold Foil

Answer 11

Conducted that there is a small, dense, positively charged nucleus in an atom that deflects positive particles that come close to the dense positive center

Question 12

Atomic mass unit (amu)

Answer 12

Mass is equal to 1/12 of the mass of carbon 12

Question 13

Where is the atomic number

Answer 13

On the bottom

Question 14

What does atomic number mean?

Answer 14

Number of protons in the nucleus

Question 15

Mass number

Answer 15

Represents number of particles in nucleus
Equal to protons + neutrons

Question 16

How do you find number of neutrons?

Answer 16

Mass number - atomic number

Question 17

Isotopes

Answer 17

Same element just different mass number

Question 18

How to you calculate atomic mass?

Answer 18

Use given atomic mass multiplied by percentage then add this to the other one

Question 19

Shorter wavelengths meann?

Answer 19

Higher frequency

Question 20

What is the order of the sublevels?

Answer 20

S
P
D
F

Question 21

N1 has what sublevel?

Answer 21

S

Question 22

N2 has what sublevels?

Answer 22

S
P

Question 23

N3 has what sublevels?

Answer 23

S
P
D

Question 24

N4 has what sublevels?

Answer 24

S
P
D
F

Question 25

How many orbitals does s have?

Answer 25

1

Question 26

How many orbitals does P have?

Answer 26

3

Question 27

How many orbitals does D have?

Answer 27

5

Question 28

How many orbitals does F have?

Answer 28

7

Question 29

What is the shape of s orbital?

Answer 29

Sphere

Question 30

What is the shape of p orbital?

Answer 30

Dumbbell

Question 31

Shape of D orbital?

Answer 31

Flower

Question 32

What is true about atomic size?

Answer 32

Increases going down a group
Decreases going left to right across a period

Question 33

What is ionization energy?

Answer 33

Energy you need to get rid of electrons in highest level

Question 34

What is true about ionization energy?

Answer 34

Decreases going down a group
Increases left to right across a period

Question 35

What is metallic character?

Answer 35

Loses valence electrons easily

Question 36

What is true about metallic character?

Answer 36

Increases going down the group
Decreases left and right on period