All categories

3 years ago

NEED HELP!!!!!!

2 answers:

6 0

Chlorine.

If you search Google images for "Aufbau principle periodic table," you'll find some handy diagrams that will make it much easier to determine an element based on its electron configuration. Determine the number of electrons in the last part of the configuration (in this case, 5), locate that group on the Aufbau periodic table diagram, then count that number from left to right within that group. In this case, within the "3p" portion of the Periodic table, count to 5 and you'll find Chlorine as the answer.

Alex73 [517]3 years ago

4 0

Answer:

chlorine

Explanation:

You might be interested in

What is the mass of the ethyl alcohol that exactly fills a

Leona [35]

Answer:

35.8 grams

Explanation:

Multiply the density of ethyl alcohol by the volume because this will cause the units of mL to cancel out leaving you with the grams, or mass.

1.79 x 20 = 35.8

7 0

3 years ago

What is one example of closed economy?

frez [133]

A closed economy is self-sufficient, meaning no imports are brought in and no exports are sent out, the goal being to provide consumers with everything they need from within the economy's borders. An example would be how Brazil's is an unusually closed economy as measured by trade penetration, with exports plus imports equal to just 27.6 per cent of GDP in 2013.

4 0

3 years ago

Read 2 more answers

Which best defines pressure?

maw [93]

It is b I think
cause,
pressure defines as the force per unit area.

7 0

4 years ago

Read 2 more answers

Give examples to three solutions you commonly use and identify the solvent and solutes that make it each up.

8_murik_8 [283]

Mouthwash:
solvent - water
solute - alcohols

vinegar:
solvent - water
solute - acetic acid

bleach:
solvent - water
solute - sodium hypochlorite

hope this helps!!

8 0

3 years ago

Read 2 more answers

A compound with molecular formula C4H8O2, shows absorptions at 2500-3300 cm-1 (broad), 1720 cm-1 and at 1200 cm-1 on the IR spec

xxMikexx [17]

Answer:

Butanoic Acid:

I have attached the structure of Butanoic Acid. Please refer to the attachment.

Explanation:

Solution:

First of all, we need to calculate the double bond equivalent (DBE) for the compound given:

Compound = C4H8O2

DBE = (C +1) - (H + X - N)/2

C = no. of carbons

H = no. of Hydrogen

X = no. of Halogens

N = no. of Nitrogen

DBE = (4+1) - (8/2)

DBE = 5-4

DBE = 1

It indicates the presence of 1 double bond in the possible structure.

Further structure can be identified by looking the peak values of the spectrum. So, we have,

2500 - 3300 = it indicates the presence of -COOH group

1720 = it indicates the (C=0) stretching

1200 = It indicates the (C-O) stretching

SO, the possible structure is

Butanoic Acid:

I have attached the structure of Butanoic Acid. Please refer to the attachment.

7 0

3 years ago