3 years ago

The unit used to measure barometric or air pressure

1 answer:

7 0

Answer:

A barometer is an instrument used to measure air pressure and track weather systems. The most common unit of measurement used in barometers is the millibar (mb).

Explanation:

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Explain how a metal and a non-metal form an ION when they chemically react together.

Marizza181 [45]

Answer:

When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound. In all of these reactions, the metal atoms give electrons to the non-metal atoms.

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2 years ago

Write the symbol for the element which has the smallest atomic radius.c, al, li, ne.

enot [183]

Ne because as we go in period atomic radius decreases

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3 years ago

Which of the following are elements nd which are compounds H2,HCI,Na,Al2O3,H2O

stepan [7]

H2-element
HCl-compound
Na-element
Al2O3-compound
H2O-compound

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4 years ago

3. ¿Cuál de las siguientes operaciones es correcta para calcular el número de moles de hidrógeno necesarios para producir 6 mole

Aloiza [94]

Answer:

the answer is d that is 6×2/3

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3 years ago

D is a green crystalline solid that dissolves in water to give a very pale green solution addition of sodium hydroxide solution

Ksivusya [100]

Answer:

I think its iron(II) oxide

Explanation:

The substance is black but when it's mixed with water it turns green solution so when mixed with sodium Hydroxide it turns green

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3 years ago