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Ch. 10 Periodic Table Flashcards | StudBud
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Ch. 10 Periodic Table
Ch. 10 Periodic Table
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8th Grade prep for Ch. 10 test on the Periodic Table.
Flashcards
25 cards
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Questions
25
Answers
1
Atomic Mass is equal to?
# of Ions + # of Neutrons
# of Electrons + # of Neutrons
# of Protons + # of Neutrons + # of Electrons
# of Protons + # of Neutrons
2
Elements tend to
decrease
in metallic properties ______.
with increasing atomic number.
from left to right across a period.
from top to bottoms across a group.
right to left across a period.
3
Which of the following is a characteristic of most metals?
Gases at room temperature
Dull in appearance
Shiny luster
Poor conductors of electricity
4
_______ react with other elements only under special laboratory conditions.
Semiconductors
Halogens
Metalloids
Noble Gases
5
The elements in Groups 1 + 2 are?
Nonmetals
Noble Gases
Metals
Transition Elements
6
Which property is characteristic of most metals?
Poor conductor of electricity and heat
Solid at room temperature
Dull in appearance
Gas at room temperature
7
How do two ions of the same element differ?
in the # of electrons
in the # of protons
in the nucleus
in the # of neutrons
8
Malleability is _______.
the ability to be drawn out into a wire
can be hammered, pressed, or rolled into sheets
the hardness of an object
the shininess of an object
9
What terms describes the elements from Group 1?
Transition Elements
Alkali Metals
Lanthanides
Alkaline Earth Metals
10
What elements are usually gases or brittle solid at room temperature?
Metals
Nonmetals
Transition Elements
Metalloids
11
The _______ is a chart created by chemists to organize elements.
Isotope
Mass number
Metalloid List
Periodic Table
12
What term describes the Group 2 Elements?
Lanthanides
Alkaline Earth Metals
Transition Elements
Alkali Metals
13
What is a physical property of Alkali Metals?
Denser than Transition Elements
Little reaction with oxygen
Silvery appearance
High ionization energy
14
What is the most common element in the universe?
Hydrogen
Oxygen
Carbon
Nitrogen
15
When an atom loses or gains electrons, it is called?
an isotope
an ion
a compound
an element
16
Elements that have both metal and nonmetallic properties are?
Halogens
Metalloids
Nonmetals
Metals
17
When an atom that has more neutrons, it is called an _____?
Compound
Metalloid
Ion
Isotope
18
Which best describes the three general groups of elements?
Metals, Nonmetals, and Metalloids
Metals, Metalloids, and Synthetics
Metals, Nonmetals, and Noble Gases
Solid, Liquid, and Gases
19
Which substance does not have the property of ductility?
Silver
Platinum
Water
Copper
20
Substances that can be easily pulled into wires are?
Malleable
Ductile
Inflexible
Semisolid
21
Elements that are shiny and good conductors of electricity are ____?
Metalloids
Metals
Nonmetals
Colloids
22
Which group of elements on the Periodic Table contains ONLY Noble Gases?
Group 18
Group 13
Group 1
Group 10
23
What type of elements can react with metals to form salts?
Halogens
Metalloids
Noble Gases
Semiconductors
24
What type of element make up the majority on the Periodic Table?
Metalloids
Actinides
Metals
Noble Gases
25
Which group contains elements that are gases at room temperature?
Metalloids
Isotopes
Metals
Nonmetals
