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2 years ago

A chart that organizes elements by their chemical properties and increasing atomic number is the

1 answer:

8 0

Periodic table!

The periodic table organizes elements by their chemical properties (mainly through vertical columns known as groups) and increasing atomic number.

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What are the 8 properties of matter

SIZIF [17.4K]

color (intensive)

density (intensive)

volume (extensive)

mass (extensive)

boiling point (intensive): the temperature at which a substance boils.

melting point (intensive): the temperature at which a substance melts.

5 0

3 years ago

A que llamamos niveles y subniveles de energia?

Softa [21]

Answer:

agua

Explanation:

por que estamos en la planeta

4 0

2 years ago

Ca + HCl -> CaCl2 + H2 Li + H2O -> LiOH + H2 NH3 + O2 -> NO + H2O K + O2 -> K2O

jonny [76]

Answer:

Are you trolling us?

Explanation:

5 0

3 years ago

Read 2 more answers

What do you look at to tell the reactivity of an atom?

tia_tia [17]

Answer:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.

Explanation:

I hope this helped!

8 0

3 years ago

The pressure of a sample of helium in a 200. ml container is 2.0 atm. If the helium is compressed to a pressure of 40. atm witho

Crank

Answer:

$V_2=10mL$

Explanation:

Hello there!

In this case, according to the given information, it will be possible for us to solve this problem by using the Boyle's law as an inversely proportional relationship between pressure and volume:

$P_2V_2=P_1V_1$

In such a way, we solve for the final volume, V2, and plug in the initial volume and pressure and final pressure to obtain:

$V_2=\frac{P_1V_1}{P_2} \\\\V_2=\frac{2.0atm*200.mL}{40.atm}\\\\V_2=10mL$

Regards!

5 0

2 years ago