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earnstyle [38]
3 years ago
8

Which of the following is considered a standard unit of length in the United States?

Chemistry
1 answer:
spin [16.1K]3 years ago
3 0

Answer:

Yard . I hope this helped:))

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What is the covalent bond if H+H (H2)
KatRina [158]

should be nonpolar covalent bond i believe, the electronegativity is the same

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4 years ago
2. A 0.45g sample of mineral ore is analyzed for chromium and found to contain
MrRissso [65]

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Explanation: I don't know

6 0
3 years ago
Which type of bonding is characterized by overlapping orbitals that allow outer electrons of atoms to move about freely througho
Sonja [21]

Answer:

D metallic

Explanation:

The chemical bonding which rises from electrostatic attractive force between the conduction electrons and the positively charged metal ions is called metallic bonding.

<u>It is sharing of the free electrons among the structure of the positively charged ions which are known as cations. </u>

<u>In this type of bonding, these free electrons freely move in the crystal mattice of the metal.  </u>

The bonding accounts for properties of metals, such as ductility, strength,  electrical and thermal conductivity and resistivity and luster.

6 0
3 years ago
How many H atoms are in 6.43g x 10^24 molecules of water
kow [346]

Answer:

12.86\times 10^{24} atoms of hydrogen

Explanation:

The molecular formula for a water molecule is H_2O.

From the above formula, we can conclude that 1 molecule of water contains 2 atoms of hydrogen and 1 atom of oxygen.

There are 6.43\times 10^{24} molecules of water.

1 molecule of water = 2 atoms of hydrogen.

∴ 6.43\times 10^{24} molecules of water = 2\times 6.43\times 10^{24}=12.86\times 10^{24} atoms of hydrogen.

Therefore, there are 12.86\times 10^{24} atoms of hydrogen in 6.43\times 10^{24} molecules of water.

5 0
3 years ago
When a balloon is rubbed with human hair, the balloon acquires an excess static charge. This implies that some materials
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C) can give up electrons more readily than others.
8 0
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