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Chapter 15 ~ The Periodic Table Flashcards | StudBud
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Chapter 15 ~ The Periodic Table
Chapter 15 ~ The Periodic Table
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1
These are 118 substances that make up the periodic table.
compounds
things
elements
substances
2
The most chemically INACTIVE group of elements.
halogens
noble gases
alkaline earth metals
alkali metals
3
How many proton are in an atom of the element Zinc?
35
65
95
30
4
An element is found to have luster & is malleable. Which element could it be?
Neon
Iodine
Silicon
Tin
5
This man arranged the modern period table by atomic number.
Miller
Moseley
Mendeleev
Mendel
6
What is the electron configuration of Sulfur (S)? (Atomic # 16)
6,2,8
8,6,2
2,6,8
2,8,6
7
These elements are often used as semiconductors in electric devices.
metalloids
nonmetals
metals
8
How many neutrons are in an atom of Bromine?
115
80
45
35
9
What is the electron configuration for the element Rubidium (Rb)? (Atomic #37)
2,8,18,8,1
1, 2,8,8,18
18,2,8,8,1
2,18,1,8,8
10
Most elements on the periodic table are...
metals
nonmetals
metalloids
11
A row on the periodic table that changes gradually & predictably.
gaggle
group
period
family
12
Which element group is known as the "salt-formers"?
alkali metals
halogens
alkaline earth metals
nobel gases
13
Protons have what charge?
positive
negative
neutral
14
How many neutrons are in an atom of Aluminum (Al)?
40
27
13
14
15
Atoms can be divided into three parts. What parts are inside the nucleus of the atom.
neutrons & electrons
protons & electrons
protons & neutrons
16
The total number of protons & neutrons in the nucleus of the atom.
mass number
atomic number
mass reaction
atomic quanity
17
What is the name of Mrs. Van Der Slik's favorite scientist, who discovered the element Radium?
Curie
Bohr
Rutherford
Mendeleev
18
The radius of an atom is measured in which unit?
millimeter
minutes
miles
picometer
19
These are the eight "tall towers" or groups of elements (1, 2, 13-18)
metals
transition elements
representative elements
nonmetals
20
This is the Bohr model for which element?
Calcium
Magnesium
Beryllium
Sodium