biochemistry lecture 2

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Test your knowledge on basic chemistry concepts such as electron shells, elements, compounds, mixtures, and more.

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Questions 25

Answers

1
What is a mixture of solids called?
Compound
Element
Solution
Mixture
2
What is a solvent?
Chemical bond
Pure substance
Smallest component
Largest component
3
True or false: Electrons have no mass.
False
True
4
What do we call a mixture of gases?
Element
Compound
Atom
Solution
5
What do we call two or more atoms bonded?
Molecule
Mixture
Element
Compound
6
Which elements are inert?
Noble gases
Transition metals
Halogens
Alkali metals
7
What is a homogeneous mixture?
Uniform composition
Single element
Different phases
Chemical bond
8
What is a solution?
Physical mixture
Homogeneous mixture
Chemical bond
Single element
9
What do we call a pure substance of two elements?
Compound
Mixture
Solution
Element
10
What is the outermost electron shell?
Valence shell
Inner shell
Core shell
Nuclear shell
11
How many electrons in the first shell?
6 electrons
4 electrons
8 electrons
2 electrons
12
What do elements in the same column share?
Same atomic number
Same mass
Same electron shells
Same valence electrons
13
What is the valence shell's role?
Inert reactions
Nuclear stability
Chemical reactions
Mass determination
14
What is a solute?
Pure substance
Smallest amount
Largest component
Chemical bond
15
What is a mixture?
Single element
Physically intermixed
Pure substance
Chemical bond
16
Which column has the most stable atoms?
Column III
Column VIIIA
Column II
Column I
17
What is the role of valence electrons?
Stability
Chemical bonding
Nuclear reactions
Mass determination
18
What is the role of the nucleus?
Electron storage
Chemical reactions
Mass center
Valence control
19
What is the maximum number of electrons in a shell?
2 electrons
4 electrons
8 electrons
6 electrons
20
What is the smallest unit of a compound?
Atom
Element
Molecule
Ion
21
How many electrons can other shells hold?
8 electrons
4 electrons
6 electrons
2 electrons
22
What is a compound made of?
Single atom
Two or more elements
Mixture of gases
One element
23
What is the smallest unit of a mixture?
Atom
Molecule
Compound
Element
24
What do elements in the same row share?
Same chemical properties
Same valence electrons
Same atomic mass
Same electron shells
25
What do we call a chemical bond?
Physical mixture
Homogeneous mixture
Chemical combination
Single element

biochemistry lecture 2 Flashcards | StudBud

biochemistry lecture 2

25 termsStudBud Administration4 plays

Test your knowledge on basic chemistry concepts such as electron shells, elements, compounds, mixtures, and more.

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
What is a mixture of solids called?
Compound
Element
Solution
Mixture
2
What is a solvent?
Chemical bond
Pure substance
Smallest component
Largest component
3
True or false: Electrons have no mass.
False
True
4
What do we call a mixture of gases?
Element
Compound
Atom
Solution
5
What do we call two or more atoms bonded?
Molecule
Mixture
Element
Compound
6
Which elements are inert?
Noble gases
Transition metals
Halogens
Alkali metals
7
What is a homogeneous mixture?
Uniform composition
Single element
Different phases
Chemical bond
8
What is a solution?
Physical mixture
Homogeneous mixture
Chemical bond
Single element
9
What do we call a pure substance of two elements?
Compound
Mixture
Solution
Element
10
What is the outermost electron shell?
Valence shell
Inner shell
Core shell
Nuclear shell
11
How many electrons in the first shell?
6 electrons
4 electrons
8 electrons
2 electrons
12
What do elements in the same column share?
Same atomic number
Same mass
Same electron shells
Same valence electrons
13
What is the valence shell's role?
Inert reactions
Nuclear stability
Chemical reactions
Mass determination
14
What is a solute?
Pure substance
Smallest amount
Largest component
Chemical bond
15
What is a mixture?
Single element
Physically intermixed
Pure substance
Chemical bond
16
Which column has the most stable atoms?
Column III
Column VIIIA
Column II
Column I
17
What is the role of valence electrons?
Stability
Chemical bonding
Nuclear reactions
Mass determination
18
What is the role of the nucleus?
Electron storage
Chemical reactions
Mass center
Valence control
19
What is the maximum number of electrons in a shell?
2 electrons
4 electrons
8 electrons
6 electrons
20
What is the smallest unit of a compound?
Atom
Element
Molecule
Ion
21
How many electrons can other shells hold?
8 electrons
4 electrons
6 electrons
2 electrons
22
What is a compound made of?
Single atom
Two or more elements
Mixture of gases
One element
23
What is the smallest unit of a mixture?
Atom
Molecule
Compound
Element
24
What do elements in the same row share?
Same chemical properties
Same valence electrons
Same atomic mass
Same electron shells
25
What do we call a chemical bond?
Physical mixture
Homogeneous mixture
Chemical combination
Single element