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What are the reactants in a chemical formula?(1 point)
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totally not cheating
What does the Law of Conservation of Mass say about a chemical reaction?(1 point)
To balance a chemical equation, additional mass may be created.
Mass increases as atoms are rearranged during a chemical reaction.
Mass is not measurable in a chemical reaction.
In a chemical reaction, mass is neither created nor destroyed.
To balance a chemical equation, additional mass may be created.
Mass increases as atoms are rearranged during a chemical reaction.
Mass is not measurable in a chemical reaction.
In a chemical reaction, mass is neither created nor destroyed.
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totally not cheating
what is the answer
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totally not cheating
Which of the following molecules shows two atoms of hydrogen (H)?(1 point)
H2SO4 cap h sub 2 cap s cap o sub 4 2H2O 2 cap h sub 2 cap o HO2 cap h cap o sub 2 2CH4 2 cap c cap h sub 4
H2SO4 cap h sub 2 cap s cap o sub 4 2H2O 2 cap h sub 2 cap o HO2 cap h cap o sub 2 2CH4 2 cap c cap h sub 4
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totally not cheating
From the Periodic table, it can be determined that iron (Fe) has an atomic mass of 56 amu, oxygen (O) has an atomic mass of 16 amu, and hydrogen (H) has a mass of 1 amu. What would the atomic mass of Fe(OH) 3 be?(1 point)
219 amu
73 amu
75 amu
107 amu
219 amu
73 amu
75 amu
107 amu
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totally not cheating
Which phrase describes a valence electron?(1 point)
an electron in the innermost orbit of an atom
an electron that has been removed from an atom
any negatively charged particle in an atom
an electron in the outer energy level of an atom
an electron in the innermost orbit of an atom
an electron that has been removed from an atom
any negatively charged particle in an atom
an electron in the outer energy level of an atom
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totally not cheating
Which phrase describes valence electrons?(1 point)
the electrons in an atom’s outermost energy level
the electrons surrounding an atom’s nucleus
electrons that are exchanged between atoms
electrons that are shared between atoms
the electrons in an atom’s outermost energy level
the electrons surrounding an atom’s nucleus
electrons that are exchanged between atoms
electrons that are shared between atoms
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totally not cheating
Why do atoms exchange or share electrons during bonding?(1 point)
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totally not cheating
what is the answer??
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totally not cheating
How many valence electrons are in an atom of the element fluorine? (1 point)
two
five
eight
seven
two
five
eight
seven
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GPT 3.5
The reactants in a chemical formula are the substances that undergo a chemical reaction to produce a new product(s).
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GPT 3.5
In a chemical reaction, the Law of Conservation of Mass states that mass is neither created nor destroyed. This means that the total mass of the reactants must be equal to the total mass of the products.
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GPT 3.5
The correct answer is: In a chemical reaction, mass is neither created nor destroyed.
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GPT 3.5
The molecule that shows two atoms of hydrogen is H2O.
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GPT 3.5
To determine the atomic mass of Fe(OH)3, we need to add up the atomic masses of each element in the compound.
Atomic mass of Fe: 56 amu
Atomic mass of O: 16 amu
Atomic mass of H: 1 amu
Fe(OH)3 consists of 1 Fe atom, 3 O atoms, and 3 H atoms.
Total atomic mass = (1 x 56 amu) + (3 x 16 amu) + (3 x 1 amu)
= 56 amu + 48 amu + 3 amu
= 107 amu
Therefore, the atomic mass of Fe(OH)3 is 107 amu.
Atomic mass of Fe: 56 amu
Atomic mass of O: 16 amu
Atomic mass of H: 1 amu
Fe(OH)3 consists of 1 Fe atom, 3 O atoms, and 3 H atoms.
Total atomic mass = (1 x 56 amu) + (3 x 16 amu) + (3 x 1 amu)
= 56 amu + 48 amu + 3 amu
= 107 amu
Therefore, the atomic mass of Fe(OH)3 is 107 amu.
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GPT 3.5
An electron in the outer energy level of an atom describes a valence electron.
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GPT 3.5
The phrase that describes valence electrons is "the electrons in an atom's outermost energy level."
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GPT 3.5
Atoms exchange or share electrons during bonding to achieve a more stable electron configuration. This is because atoms have a tendency to attain a full outer shell, typically composed of eight electrons, which is known as the octet rule. By gaining, losing, or sharing electrons, atoms can achieve a full outer shell and increase their stability.
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GPT 3.5
The answer is: Atoms exchange or share electrons during bonding to achieve a more stable electron configuration.
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GPT 3.5
An atom of the element fluorine has seven valence electrons.
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