What defines an element?

A substance that cannot be broken down.

Which statement describes a chemical property?

It reacts with hydrochloric acid.

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Chemistry Fundamentals Quiz

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Test your knowledge on basic chemistry concepts, elements, compounds, and subatomic particles with this engaging quiz.

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Questions 26

Answers

1
Which particle affects atom behavior?
Neutron
Electron
Proton
Nucleus
2
Which color has the lowest energy?
Orange
Green
Red
Blue
3
Which is NOT a physical property?
Density
Volume
Flammability
Phase Change
4
Conditions favoring ionic compounds:
Both must be metals
A metal and a nonmetal
Both must be nonmetals
Metal and noble gas
5
Which element is a metalloid?
Iodine
Copper
Sulfur
Silicon
6
Who stated all substances are made of atomos?
Dimitri Mendeleev
Democritus
Neils Bohr
John Dalton
7
How many electrons does oxygen need to become stable?
6
4
2
1
8
Which is NOT a subatomic particle?
Neutron
Nucleus
Electron
Proton
9
How many protons does Cobalt have?
27
32
59
58.93
10
Which element conducts electricity well?
Copper
Water
Sodium
Carbon
11
Visible light is produced when the electron:
Remains excited for seconds
Falls back to ground state
Is removed from atom
Is in an excited state
12
Which tends to become a cation?
Neon
Oxygen
Florine
Potassium
13
How many valence electrons does bromine have?
5
7
2
35
14
Rutherford's gold foil experiment showed:
Is densely packed with electrons
Contains a negatively charged nucleus
Cannot be penetrated by radiation
Is mostly empty space
15
Which group has similar chemical behavior?
K, Ca, Sc, Zn
Li, Be, Mg, Al
F, Cl, Br, I
C, S, Br, Xe
16
What defines an element?
Particles are uniformly distributed.
2 or more elements combined.
A substance that cannot be broken down.
Particles are not uniformly distributed.
17
Which group does not bond easily?
Metalloids
Noble Gases
Transition Metals
Alkali Metals
18
Who organized the periodic table?
JJ Thompson
Dimitri Mendeleev
Democritus
John Dalton
19
How many oxygen atoms in sugar, C6H12O6?
24
18
12
6
20
Thomson's atom model resembled:
Looked like plum pudding
Electrons evenly spaced outside
Had positive electrons orbiting
Looked like a donut
21
Which color has the greatest energy?
Red
Green
Purple
Orange
22
Protons and neutrons give us:
Number of Electrons
Symbol
Atomic Mass
Atomic Number
23
Which is NOT a compound?
Carbon Dioxide, CO2
Glucose, C6H12O6
Sodium Chloride, NaCl
Iron, Fe
24
Which statement describes a chemical property?
It reacts with hydrochloric acid.
Its crystals are a metallic gray.
It forms a violet-colored gas.
It has a 'chemical-like' smell.
25
Which particles determine element name?
Electron
Protons + Neutrons
Neutron
Proton
26
How many neutrons does Cobalt have?
59
27
32
58.93

Chemistry Fundamentals Quiz Flashcards | StudBud