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Periodic table Flashcards | StudBud
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Periodic table
Periodic table
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8th science interactions of matter
Flashcards
50 cards
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Questions
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Answers
1
Gold is a liquid at room temperature.
True
False
2
The period number is equal to the number of electron shells
True
False
3
The first electron shell can hold 8 valence electrons.
False
True
4
Hydrogen has one proton, one electron, and zero neutrons. What is the atomic mass of hydrogen?
2
1
3
0
5
How many valence electrons does a Potassium atom have?
8
1
5
11
6
A solid changing to a liquid
Condensation
Sublimation
Freezing
Melting
7
Which diagram(s) show an element?
3 only
1 and 4
1 and 2
4 only
8
This element is in the ______________ family.
Alkaline Earth Metals
Transition Metals
Boron Family
Alkali Metals
9
Noble gases all have full outer electron shells.
True
False
10
A solid is defined as a state of matter that
Is not a phase of matter
Has a fixed volume and no fixed shape
Has a fixed volume and a fixed shape
Has no fixed volume and no fixed shape
11
How are the elements organized on the Periodic Table?
Elements are ordered by atomic weight.
Elements are grouped by color
Elements are arranged alphabetically.
Elements are ordered by atomic number
12
How many neutrons does a Potassium atom have?
39
2
20
19
13
What is the significance of a column in the periodic table?
A column,group, includes elements with similar properties.
A column, period, elements have the same number of electrons
A column, group, elements have the same number of electrons.
A column, period, includes elements with similar properties.
14
Which diagrams are pure substances? Check all that apply
4
3
2
1
15
How many hydrogen atoms must bind to an oxygen atom to form a water molecule?
3
1
2
4
16
This element is classified as a ______________.
Nonmetal
Rare Earth
Metal
Metalloid
17
A solution is a mixture with ingredients that...
Are spread evenly throughout
React chemically
Can’t be separated physically
Clump together in the bottom
18
Which diagram shows a mixture?
3
2
1
4
19
Which option correctly classifies them as elements, compounds, and mixtures?
P – element, Q and R – compounds, S – mixture
P and Q – element, R – compounds, S – mixture
P – element, S – compounds, Q and R – mixture
P – element, Q – compounds, R and S – mixture
20
How does the atomic number change as you move from left to right on the periodic table?
It decreases.
It does not change.
It skips numbers.
It increases.
21
A sample of a substance consists of more than one type of atom chemically combined. It's a____
An element
A homogeneous mixture
A compound
A heterogeneous mixture
22
Which element is part of the noble gases?
2
3
1
4
23
The image to the right shows an atom arrangement. Why is it considered a mixture?
It is composed of one kind of atom.
It is composed of extremely small particles.
two or more types of elements that are chemically combined.
a physical combination of two or more different substances.
24
Which gas is made from more than one element?
Carbon dioxide
Oxygen
Helium
Nitrogen
25
Which element is the most reactive?
2
1
4
3
26
Which one of the following elements is a metalloid?
Sodium
Cobalt
Arsenic
Neon
27
In an atom, where are the electrons found?
In the nucleus
Around the nucleus in orbitals or shells
It depends on the number of protons
In the electron arcade
28
An element's reactivity is based on its number of valence electrons.
True
False
29
Which element is located at period 4, column 6?
Hafnium
Manganese
Cobalt
Chromium
30
Use your periodic table to locate the element in Group 8, Period 3. This element is a _______.
Alkali metal
Halogen
Transition metal
Noble gas
31
This shows the arrangement of atoms in samples A and B. Which option identifies them correctly?
Sample A – elementSample B – compound
Sample A – compound Sample B – element
Sample A – element Sample B – mixture
Sample A – compoundSample B – mixture
32
Which statement about matter is true?
Living things are not matter
Matter is made up of atoms
Atoms are not matter
Matter exists only when you see it
33
What subatomic particles are found in the nucleus?
Protons
Protons and electrons
Electrons
Protons and neutrons
34
This is a diagram of an oxygen atom.How many valence electrons does Oxygen have?
16
2
8
6
35
Elements in group 8 are classified as:
Transition Metals
Nonmetals
Metals
Metalloids
36
Which word would best describe the element in the box numbered “2”?
Metal
Liquid
Metalloid
Non-Metal
37
Which of the following is NOT a property of a gas
Can change to a liquid through condensation
Has a fixed volume
Takes the shape of its container
Compressible because there is a lot of free space between
38
Which of the following elements share the same properties? (react the same)
Carbon and Aluminum
Carbon and Nitrogen
Oxygen and Phosphorus
Oxygen and Sulfur
39
The group number is equal to the number of electron shells
True
False
40
A gas changing to a liquid
Melting
Condensation
Freezing
Sublimation
41
This element has _____ valence electrons.
7
8
2
1
42
The element located at period 2, column 15 is part of which family?
Nitrogen Family
Oxygen Family
Halogens
Alkali Metals
43
Find the element in Group 8, Period 3.What is the state of matter for this element?
Plasma
Gas
Liquid
Solid
44
A liquid changing to a solid.
Sublimation
Condensation
Freezing
Melting
45
This element has _____ protons.
22
11
5
23
46
A liquid changing to a gas.
Freezing
Melting
Sublimation
Evaporation
47
Which number represents the element with the least number of protons?
4
3
1
2
48
A student analyzes C and NaCl:C-a single type of atom & NaCl-two or more different elements.
C is an element and NaCl is a compound.
C is an element and NaCl is a mixture.
C is a homogeneous mixture & NaCl is a heterogeneous mixture
C is a compound and NaCl is a mixture.
49
A solid changing to a gas; skipping the liquid phase
Evaporation
Melting
Freezing
Sublimation
50
This is a diagram of an oxygen atom. What is the atomic mass of oxygen?
8
16
0
24
