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artcher [175]
3 years ago
11

Give reasons. Alkali metals are more reactive than alkaline earth metals​

Chemistry
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

i dont know

Explanation:

sorry

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If atoms of a halogen nonmetal (Group 17) gains one electron, the atoms the have __.
RUDIKE [14]

Hm, this could be more than one option, but gaining electrons makes a negative charge, so

If atoms of a halogen nonmetal (Group 17) gains one electron, the atoms the have "a negative one charge".

8 0
3 years ago
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At 0 degrees Celsius, a gas occupies 22.4L. How hot must the gas be in celcius to reach a volume of 25.0L
NikAS [45]

Answer:

31.7 °C

Explanation:

Charles law states that for volume of a gas is directly proportional to the absolute temperature for a fixed amount of gas at constant pressure

we can use the following equation

V1/T1 = V2/T2

where V1 is volume and T1 is temperature at first instance

V2 is volume and T2 is temperature at second instance

temperature should be in kelvin scale

T1 - 0 °C + 273 = 273 K

substituting the values in the equation

22.4 L / 273 K = 25.0 L / T2

T2 = 304.7 K

temperature in celcius is - 304.7 K - 273 = 31.7 °C

the gas must be 31.7 °C to reach a volume of 25.0 L

7 0
3 years ago
Explica como procederias para obter cristais de sulfato de potássio a partir de ácido sulfúrico e hidróxido de potássio. Escreve
iren2701 [21]
Translate it to English and I would love to help u out (:
3 0
3 years ago
What is rust classified as
kotykmax [81]

Rust is classified as Metal Oxide!

4 0
4 years ago
A
Luden [163]

Answer:

<h2>D</h2>

Explanation:

A chemical compound is a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.

A pure chemical compound is a chemical substance that is composed of a particular set of molecules or ions that are chemically bonded. Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound.

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3 years ago
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