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