stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Elements and the Periodic Table Flashcards | StudBud
Explore
/
Elements and the Periodic Table
Elements and the Periodic Table
45 terms
·
StudBud Administration
·
2,745 plays
Imported from external platform
Flashcards
45 cards
F
Practice quiz
P
Host live
L
Questions
45
Answers
1
Which group on the periodic table is generally very reactive, toxic, and dangerous?
Noble Gases
Oxygen Family
Halogen Family
Transition Metals
2
Mendeleev was able to predict the existence of elements that hadn't been discovered yet.
False
True
3
Which element would have properties most similar to calcium?
Sodium
Platinum
Potassium
Magnesium
4
How do nonmetals typically react with other atoms?
Sharing electrons
Gaining electrons
Exploding
Losing electrons
5
Which of the particles makes up the least mass of an atom?
Proton
Neutron
Nucleus
Electron
6
Which is the most reactive of all the elements?
Potassium
Sodium
Iodine
Fluorine
7
Which of these is not a transition metal?
Silver
Potassium
Nickel
Mercury
8
Which property of metals allows them to be pulled or drawn out into long wires?
Electrical Conductivity
Luster
Malleability
Ductility
9
The transition metals are located in which group or groups?
3-12
1
4-15
2
10
Which of these is true of metals?
They're ductile
They're malleable
All of the above
They have luster
11
What word means "in a regular, repeated pattern?"
Table
Periodic
Elements
Properties
12
An element is hard, shiny, malleable, and reacts slowly with water and oxygen to form rust. What group is it in?
Alkaline Earth Metals
Lanthanides
Alkali Metals
Transition Metals
13
Which halogen is liquid at room temperature?
Fluorine
Chlorine
Bromine
Iodine
14
Which alkali metal would produce the strongest reaction when placed in water?
Lithium
Potassium
Rubidium
Sodium
15
Which of these elements tends to form diatomic molecules in nature?
Helium
Nitrogen
Oxygen
Copper
16
Which is not true of groups on the periodic table?
They're vertical columns
They're also called families
They're arranged metal-metalloid-nonmetal
Elements in them share properties
17
Which is not true of metalloids?
All very reactive
Have some metal and nonmetal properties
Located between metals and nonmetals
Mostly gases at room temperature
18
How many elements are on the modern periodic table?
122
118
112
108
19
Why is silicon a useful element for equipment like computer chips?
It's brittle
It's a semiconductor
It's relatively reactive
It's hard
20
The newest elements are synthesized by smashing ___ together in a ___.
neutrons, nuclear reactor
nuclei, particle accelerator
nuclei, nuclear reactor
protons, particle accelerator
21
What is the atomic number of an element?
Average weight of element and isotopes
Number of electrons outside nucleus
Number of protons in nucleus
Mass of one atom
22
An element has an atomic mass of 65.38 and an atomic number of 30. How many neutrons does it have?
65.38
30
35
65
23
Which is a physical property of metals?
Reactivity
Good conductors of heat
Dull and brittle
Poor conductors of electricity
24
Which is not true of the nucleus of an atom?
Located at center of atom
Made of protons
Made of electrons
Made of neutrons
25
Which is true of the noble gases?
In Group 18
Include xenon and krypton
All of the above
Highly reactive
26
Which of these is an alkaline earth metal?
Magnesium
Lithium
Copper
Calcium
27
Who created the first version of the periodic table?
Antoine Lavoisier
Gregor Mendel
Dmitri Mendeleev
John Newlands
28
Which elements has the simplest atoms?
Lithium
Hydrogen
Helium
Beryllium
29
Which element name and chemical symbol pairing is incorrect?
Silver - Ag
Helium - H
Gold - Au
Iron - Fe
30
What usually happens to metals when they react chemically?
Lose electrons
Gain electrons
Share electrons
Melt
31
Which groups are arranged underneath the periodic table?
Halogens, actinides
Actinides, lanthanides
Alkaline earth metals, lanthanides
Lanthanides, transuranium metals
32
How many groups on the periodic table contain nonmetals?
8
5
6
7
33
This element is in the oxygen family and is a nonmetal used in rubber manufacturing.
Sulfur
Phosphorus
Silicon
Selenium
34
Which group number contains the nitrogen family?
2
1
16
15
35
Which of these elements would be the least reactive?
Mixed Group Metal
Alkaline Earth Metal
Noble Gas
Halogen
36
The carbon family contains only one nonmetal.
True
False
37
Which of these groups are considered to be the most reactive?
Alkaline Earth Metals
Actinides
Alkali Metals
Transition Metals
38
What information is usually included on a periodic table entry?
Atomic number, number of neutrons, chemical symbol, name
Atomic number, atomic mass, name
Atomic number, chemical symbol, name
Atomic number, name, chemical symbol, atomic mass
39
How did Mendeleev originally order the elements in his periodic table?
By their properties
By atomic number
By decreasing atomic mass
By increasing atomic mass
40
Which element is more reactive?
Phosphorus
Nitrogen
41
Which of these metals belongs in the mixed groups?
Platinum
Gold
Magnesium
Lead
42
Which group number do chlorine and bromine belong to?
18
16
17
15
43
Which is true of protons?
Located outside of nucleus
Positively charged
Negatively charged
Located in nucleus
44
Hydrogen atoms make up ___ of the atoms in the universe.
Less than 40%
More than 90%
50%
85%
45
Which particle and its description is correct?
Neutron - Negative charge
Proton - Positive charge
Neutron - No charge
Electron - No charge
