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4 years ago

Why do polar bonds form?

Chemistry

1 answer:

Nata [24]4 years ago

3 0

Answer:

This occurs when one atom has a higher electronegativity than the atom it is sharing with.

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Approximately what precent of parent isotopes remains after 0.5 half lives have passed

Charra [1.4K]

If 1 half life is over than 50 percent is left
I think it would be logicak to assume after half a half life passes there will be 75 percent left

5 0

4 years ago

A metal atom and a non-metal atom bond together. What type of bond do they form?

Sliva [168]

Answer: Iconic

Explanation:Ionic bonds are formed through the exchange of valence electrons between atoms, typically a metal and a nonmetal.

6 0

3 years ago

Convert 75 mL of water to gallons (show work)

lina2011 [118]

Answer:

$\huge\boxed{\sf 75\ mL = 0.02\ gallons}$

Explanation:

1 mL = 0.000264 gallons

<em><u>Multiplying both sides by 75</u></em>

75 mL = 0.000264 * 75 gallons

<h2>75 mL = 0.02 gallons</h2>

4 0

3 years ago

A student observes the chemical process described by this equation:

choli [55]

Answer:

Both are equal

Explanation:

Mass of starting material i.e Aluminium is $4.480 * 10^{-23}$ grams

The weight of oxygen is $2.65 * 10^{-23}$

There are 4 atoms of aluminium and 3 atoms of oxygen

Thus, the total mass of starting material is

$4 *$ mass of one atom of aluminium $+ 6 *$ mass of one atom of oxygen

$4 * 4.480 * 10^{-23} + 6* 2.65 * 10^{-23}$

$35.1 * 10^{-23}$ grams

Mass of new substance is also equal to

$4 *$ mass of one atom of aluminium $+ 6 *$ mass of one atom of oxygen

$4 * 4.480 * 10^{-23} + 6* 2.65 * 10^{-23}$

$35.1 * 10^{-23}$ grams

5 0

3 years ago

What are the products formed when a base reacts with an acid?

brilliants [131]

It would become a salt

5 0

4 years ago