Chemistry Fundamentals Flashcards | StudBud

Chemistry Fundamentals

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Explore the basic concepts of chemistry through a series of engaging questions and learn about atoms, compounds, elements, and more

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Questions 43

Answers

1
What is a substance of one type of atom?
Compound
Solution
Mixture
Element
2
What are the tiny particles of matter?
Atoms
Molecules
Elements
Compounds
3
What type of atom has equal protons and neutrons?
Neutral atom
Negative atom
Ion
Positive atom
4
What is formed by electrons in orbit?
Nucleus
Electron cloud
Atom shell
Energy level
5
What is the hardest known substance?
Diamond
Iron
Gold
Graphite
6
What is formed by electrons around nucleus?
Nucleus
Neutron cloud
Electron cloud
Proton shell
7
Which halogen is added to salt?
Bromine
Chlorine
Iodine
Fluorine
8
What is the process of rearranging atoms?
Nuclear reaction
Chemical reaction
Physical change
Combustion
9
How do two electrons react?
Combine together
Attract each other
Neutralize each other
Repel each other
10
Which halogen is a germ-killer?
Bromine
Chlorine
Iodine
Fluorine
11
What is the study of substances and changes?
Physics
Chemistry
Geology
Biology
12
What is formed by bound atoms?
Element
Ion
Compound
Molecule
13
What semimetal makes computer chips?
Silicon
Copper
Carbon
Germanium
14
What term means lacking electrical charge?
Positive
Neutral
Negative
Charged
15
Which object weighs more with same volume?
Denser substance
Lighter substance
Heavier volume
Same weight
16
Which elements do not combine easily?
Metalloids
Halogens
Alkali metals
Noble gases
17
What is the simplest atom?
Carbon
Oxygen
Hydrogen
Helium
18
What is the rapid reaction with oxygen?
Sublimation
Reduction
Oxidation
Combustion
19
What is the only liquid metal?
Tin
Lead
Gallium
Mercury
20
What makes up the nucleus of an atom?
Electrons
Molecules
Protons and neutrons
Atoms
21
What is the densest everyday metal?
Lead
Iron
Gold
Silver
22
What gas sublimes when heated?
Carbon dioxide
Oxygen
Helium
Nitrogen
23
What is a compound of charged atoms?
Metallic compound
Ionic compound
Molecular compound
Covalent compound
24
Which particle has a positive charge?
Nucleus
Neutron
Electron
Proton
25
What term means 'changes from place to place'?
Constant
Factor
Variable
Element
26
What takes up space and has mass?
Force
Matter
Volume
Energy
27
What is the most abundant element on Earth?
Oxygen
Carbon
Hydrogen
Nitrogen
28
What is the amount of matter in volume?
Weight
Density
Mass
Volume
29
What is a compound made of molecules?
Metallic compound
Ionic compound
Covalent compound
Element
30
What is an ingredient in stainless steel?
Iron
Copper
Nickel
Chromium
31
What element is in toothpaste?
Bromine
Chlorine
Iodine
Fluorine
32
What particles swarm around the core?
Atoms
Electrons
Neutrons
Protons
33
What is the arrangement of known elements?
Atomic structure
Chemical list
Element chart
Periodic Table
34
What is the tiny core of an atom?
Proton
Nucleus
Neutron
Electron cloud
35
What is the amount of matter in an object?
Volume
Density
Weight
Mass
36
What measures the pull of gravity?
Weight
Density
Mass
Volume
37
What does atomic number represent?
Atomic weight
Number of protons
Total mass
Number of neutrons
38
What is the basic building block of compounds?
Atom
Element
Molecule
Compound
39
Most metals are what?
Poor conductors
Insulators
Good conductors
Semiconductors
40
What gas makes up 78% of atmosphere?
Oxygen
Carbon dioxide
Hydrogen
Nitrogen
41
What are the three main groups of elements?
Metals, Nonmetals, Gases
Noble gases, Halogens, Alkali
Metals, Nonmetals, Metalloids
Metalloids, Semimetals, Nonmetals
42
What are highly reactive elements?
Noble gases
Halogens
Metalloids
Alkali metals
43
What metric unit measures mass?
Gram
Kilogram
Meter
Liter