Chemistry- periodic table and periodicity

0.0(0)
studied byStudied by 3 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/40

flashcard set

Earn XP

Description and Tags

Statistics

Categorical Data

10th

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

41 Terms

1
New cards
atomic mass
what property did Mendeleev arrange the elements
2
New cards
atomic number
what property did Moseley suggest the periodic table be arranged?
3
New cards
periodically
The periodic law are THE PROPERTIES OF THE ELEMENTS REPEAT ___________
4
New cards
period
A HORIZONTAL ROW IN THE PERIODIC TABLE
5
New cards
group
A VERTICAL COLUMN IN THE PERIODIC TABLE
6
New cards
7
how many periods in the periodic table?
7
New cards
18
how many groups in the periodic table?
8
New cards
5
how many valence electrons in arsenic?
9
New cards
gallium
what element is atomic number 31?
10
New cards
Th
what is the chemical symbol for atomic number 90
11
New cards
2
what is the period number for Beryllium(atomic number 4)
12
New cards
14
what is the group number for Lead(Pb atomic number 82)
13
New cards
D
what block are the transition elements in?
14
New cards
block f
what type of orbitals are the actinide and lanthanide electrons found?
15
New cards
valence electrons
strontium is more chemically similar to calcium because the same amount of __________ ________ .
16
New cards
radon
what is the heaviest noble gas
17
New cards
protons
to tell which element is heavier you compare the number of __________, which ever has more is more heavy
18
New cards
alkali metals
what are group 1 elements called
19
New cards
alkaline earth metals
what are the group 2 metals called
20
New cards
halogens
what are the group 17 elements called
21
New cards
noble gases
what are the group 18 elements called
22
New cards
halogen
what is the name of the valence shell electron configuration s^2 p^5
23
New cards
valence
all members of a group have the same amount of _____ electrons
24
New cards
atomic radius
distance from the center of the nucleus to the outermost isolated electron.
25
New cards
increases
what happens to the atomic radius as you go down the column?
26
New cards
decreases
what happens to the atomic radius as the atomic number increases
27
New cards
electron
neutral atoms convert into cations by losing an __________
28
New cards
acquire
neutral atoms convert into anions by _________ an electron
29
New cards
cation
metals usually form ________(type of ion)
30
New cards
anions
non metals usually form ________
31
New cards
ionization energy
THE ENERGY REQUIRED TO REMOVE AN ELECTRON FROM AN ATOM
32
New cards
electrons
First, second, and third ionization energies are is the energy it takes to remove the first, second, and third __________
33
New cards
increases
as you go left to right, ionization energy ______
34
New cards
decreases
as you go down a group, ionization energy _______
35
New cards
anion
when an atom becomes an ________, the radius becomes larger
36
New cards
smaller
when an atom becomes a cation, its radius becomes _________s
37
New cards
left
where are the metals located on the periodic table
38
New cards
right
where are the non metals located
39
New cards
electronegativity
THE TENDENCY FOR AN ATOM TO ATTRACT ELECTRONS TO ITSELF
40
New cards
decreases
as you go down the table, electronegativity _______
41
New cards
increases
as you go across, electronegativity ___________