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lbvjy [14]
3 years ago
7

Why do elements in the same family generally have a similar properties ?

Chemistry
1 answer:
sattari [20]3 years ago
5 0

Answer:The elements have the same number of electrons in the outer ring so they react with the same substances

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2Na+ 2H20 - > 2NaOH + H2
aalyn [17]

Answer:

3.17mol

Explanation:

moles of Na = m/M ; Where M - molar mass of Na which is 23

moles of Na = 73/23 =3.17mol

but from the eqn n(Na) : n(NaOH) = 2:2 = 1:1

: . moles of NaOH is also 3.17mol

3 0
3 years ago
According to gay-lussac’s law if the temperature of has increases what happens to the pressure
Mnenie [13.5K]
According to Gay-lussac’s law, if the temperature of a gas increases, then the the pressure ALSO INCREASES.
5 0
3 years ago
Which element is malleable and can conduct electricity in the solid phase
Svet_ta [14]
There are several elements in the Periodic Table that are both malleable and good conductors of electricity and even heat. The Alkali metals such as potassium and sodium from Group 1 of the Periodic Table are very good conductors of electricity and are also pliant and malleable. From the group of Transition metals iron, copper, silver and gold are instances of all the 38 metals of this group that fulfil the conditions of being conductors and malleable. Some metals such as tin, lead, thallium, and aluminium are instances of elements that are malleable and can conduct electricity in the solid form. These elements belong to the Metalloids group in the Periodic Table.
7 0
4 years ago
What are three ways that we can identify when a chemical reaction is occurring?
Nina [5.8K]
Three ways (out of the many) are:

Change of temperature
Color change
Formation of gas

Hope this helps!! (:
6 0
3 years ago
Al + Ni(NO3)2 + Al(NO3)3 + Ni
Sauron [17]

Answer:

Aluminum + Nickel(Ii) Nitrate = Nickel + Aluminum Nitrate

Explanation:

4 0
3 years ago
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