1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Olenka [21]
3 years ago
11

Given the following electronic configurations, identify how many valence electrons each atom has.

Chemistry
1 answer:
Varvara68 [4.7K]3 years ago
7 0

Answer:

sodium=atomic number 11 it electronic configuration is ,K=2, L=8,M=1 Valence is 1

oxygen= atomic number 8 it electronic configuration is K=2, L=6 Valence is 2

iron= atomic number 26 it electronic configuration is K= 2 L= 8,M=8 N=6 Valence 2

You might be interested in
how does the involvement of energy in a decomposition reaction compare to how energy is involved in a combustion reaction?
MatroZZZ [7]
A decomposition reaction produces multiple products from a single reactant.
Combustion reactions are the combination of some compound with oxygen to make oxides of the other elements as products (although nitrogen atoms react to make N2).
8 0
3 years ago
ANSWER IF U LOVE UR MOM PLS
zalisa [80]

Answer:

yes

Explanation:

she loves me and i would die for her

8 0
3 years ago
Read 2 more answers
4g of sugar is dissolved in 46 g of water calculate the concentration as percent by mass
Lina20 [59]
The  concentration as  %  by  mass  is  calculated as below

mass  of  solute/mass of  solvent x100
mass of  solute(sugar) = 4g
mass of   solvent(water) =46  g

= 4g/  46 g x100 = 8.7%
3 0
3 years ago
Read 2 more answers
I just pulled up to Sheetz and filled my car up with gas. Explain the transfer of energy that would occur once I start then driv
meriva
When you drive your car, you use the gasoline to produce energy which exerts the oil thay was put into the car, would then from it into a cloud or puff of gas which pollutes the air, rises through the atmosphere, and eats away at the Ozone Layer.
4 0
4 years ago
Transverse waves in a sentence
DENIUS [597]

Answer: transverse wave is a progressive wave whose oscillations are perpendicular to the direction of the wave

Explanation:

5 0
3 years ago
Other questions:
  • What is the biological advantage (in kj per mole of energy released as heat) of complete aerobic oxidation compared with anaerob
    8·1 answer
  • Which statement is correct about the rate of most chemical reactions? It increases when the concentration of reactants decreases
    8·1 answer
  • What is the octet rule?
    13·2 answers
  • 1. How many joules of heat are required to raise the temperature of 750 g of water from 11.0 oC to 19.0 oC?
    15·1 answer
  • a sample of water is mixed with a surfactant what will most likely happen to the viscosity of the water
    14·2 answers
  • A 7.11g sample of potassium chlorate was decomposed according to the following equation: 2KCLO3 -->2KCL + 3O2 How many moles
    9·1 answer
  • The C2-C3 single bond in butane freely rotates at room temperature, see equation (1) below. In contrast, the C2-C3 single bond i
    13·1 answer
  • ASAP pleaseee and Thankyou​<br><br>​
    12·2 answers
  • A balloon is filled to a volume of 700 mL at a pressure of 1.2 atm. The volume is increased 950 ml, what will be the new pressur
    14·1 answer
  • Given the following equation: C2H60 + 302 + 3H2O + 2CO2
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!