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Brrunno [24]
3 years ago
9

Why do elements in the same group have similar chemical properties?

Chemistry
1 answer:
Sidana [21]3 years ago
4 0
Because their atoms have the same number of electron in the highest occupied level.
You might be interested in
How do we balance a chemical equation 4 marks?.
Vesna [10]

To balance a chemical equation, place coefficient as needed in front of the symbols or formulas of the elements. So the same number of each type of atom occurs in both reactants and products.

Steps to be followed are-

(1) Write down the chemical reaction in the form of word equation, keeping all the reactants on left hand side and keeping products on right hand side.

(2) Write all the symbol and formula of all reactants and products in word equation.

(3) Balance the whole equation by multiplying the symbols and formula by smallest possible figures.

Same number of each and every atom, of same type occurs in both reactants and products.

Once all the individual elements are balanced, then the total number of atoms of each element on the reactant and product side are compared once again after balancing. If there are no inequalities, the chemical equation is said to be balanced.

To learn more about balancing chemical equations visit the link- brainly.com/question/26227625

#SPJ4

6 0
2 years ago
Which material would take the longest to cool off once heated?
Sveta_85 [38]

Answer Liquid water

Explanation: I'm sure its that answer

7 0
3 years ago
when the sum 4.9965 + 2.11 + 3.887 is calculated, to how many decimal places should the answer be reported?
Murrr4er [49]

Answer:

the correct answer is four decimal places

8 0
3 years ago
Given that delta hvap is 58.2 kj/mol and the boiling point is 83.4 c 1atm if one mole of this substance is vaporized at 1atm cal
astraxan [27]
Change in Gibb's free energy of system (ΔG) = ΔH - TΔS.........(Eq. 1)
Now, if magnitude of ΔG <0, then reaction is spontaneous.
         if magnitude of ΔG > 0, then reaction is non-spontaneous. 
         At equilibrium, ΔG = 0
When at boiling point, liquid state is in equilibrium with vapour state. Hence, it present case ΔG = 0

∴ Eq 1 becomes, ΔH = TΔS
here, ΔH = 58.2 kj/mol (Given),
∴ At T = 83.4 oC = 356.4 K, ΔS = 0.1633 kj/mol.K
3 0
3 years ago
Which discovery is most directly related to careers in biology?
Nookie1986 [14]
Molecular and Microbiology 
5 0
3 years ago
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