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Talja [164]
3 years ago
7

An element has six valence electrons available for bonding which group of the periodic table does this element most likely belon

g to
Chemistry
2 answers:
professor190 [17]3 years ago
8 0
Elements in groups 16 has six valance electrons.
Rzqust [24]3 years ago
6 0

Answer:

16th Group.

Explanation:

If there are six valence electrons available for bonding it means there must be two electrons in s sub shell and four in p subshell. Thus the element cannot be s block element and it cannot be d or f block element as well. The element must belong to p block.

The first group of p block contains one electron in outermost p subshell.

The first group is 13th group of periodic table.

so in this way the element with four electrons in valence p block will belong to 16th group.

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The temperature of a sample of liquid water changes from 50°C to 30°C. Which statement best explains the change
KiRa [710]

Answer:

The molecules move slower than the temp of 50°c and their average kinetic energy decreases.

Explanation:

kinetic energy cannot increase as temperature is reduced. molecules will still move with reduced motion.

7 0
2 years ago
You are asked to identify compound X (a white, crystalline solid), which was extracted from a plant seized by customs inspectors
igor_vitrenko [27]

Answer:

C2H2O4

Explanation:

To get the molecular formula, we first get the empirical formula. This can be done by dividing the percentage compositions by the atomic masses. The percentage compositions are shown as follows :

C = 26.86%

H = 2.239%

O = 100 - ( 26.86 + 2.239) = 70.901%

We then proceed to divide by their atomic masses. Atomic mass of carbon is 12 a.m.u , H = 1 a.m.u , O = 16 a.m.u

The division is as follows:

C = 26.86/12 = 2.2383

H = 2.239/1 = 2.239

O = 70.901/16 = 4.4313

We now divide each by the smallest number I.e 2.2383

C = 2.2383/2.2383 = 1

H = 2.239/2.2383 = 1

O = 4.4313/2.2383 = 1.98 = 2

Thus, the empirical formula is CHO2.

To get the molecular formula, we use the molar mass .

(CHO2)n = 90

We add the atomic masses multiplied by n.

(12 + 1 + 2(16))n = 90

45n = 90

n = 90/45 = 2.

Thus , the molecular formula is C2H2O4

4 0
3 years ago
How much is a dogggggggggggggggggg
skelet666 [1.2K]

Answer:

it is 7

Explanation:

dogs are 7 HOPE THIS HELPED kidding i don get the question

3 0
3 years ago
Read 2 more answers
How many moles of mercury are equivalent to 3.46 x 1023 atoms?
olga55 [171]

Answer:

3.02 X1023 atoms Ag limol. - - 0.50 1 moles. 6.02241023 atoms.

4 0
2 years ago
A chemical reaction produces formaldehyde, with a chemical formula of CH2O. Carbon is in group 4A, Oxygen is in group 6A, and Hy
steposvetlana [31]

Answer:

Explanation:

carbon in  group 4A needs 4 more electrons to be stable

hydrogen in group 1A has one electron needs 1 more t o be stale

oxygen in group 6A has 6 and needs 2 more to be stable

They all obtain this by sharing electrons  8 around C &O, 2 around H

H  : C:  H

       ::        

      :O:

5 0
2 years ago
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