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
GalinKa [24]
3 years ago
6

Use the periodic table from the lesson to answer the following question.

Chemistry
2 answers:
Y_Kistochka [10]3 years ago
8 0
The answer would be B, 7 valence electrons. <span>F is located in the 1s-orbital and the second energy level, which in fluorine's case is the outermost energy level, meaning it has <span>7 electrons</span></span>
77julia77 [94]3 years ago
8 0

F has ___ valence electrons.

7

You might be interested in
The movement of water from the atmosphere to the ground is called which of the following?
brilliants [131]
D because it’s not going into then air or to the clouds
7 0
3 years ago
Read 2 more answers
2. You have a rock with a<br> volume of 15cm3 and a<br> mass of 45 g. What is its<br> density?
babymother [125]

Answer:

3 g/cm³

Explanation:

Density= Mass divided by Volume

45÷15= 3

3 0
3 years ago
The production of ammonia (NH3) under standard conditions at 25 C is represented by the following thermochemical equation.
telo118 [61]

Answer:

Given, Heat of formation =−46.0 KJ/mole

Since, the enthalpy of formation of ammonia is the enthalpy change for the formation of 1 mole of ammonia from its element.

2NH

3

(g)→2N

2

(g)+3H

2

(g)

△H

reaction

=2×△H

formation

=2×−46.0 KJ/mole

Heat of reaction=−92.0 KJ/mole

Explanation:

hope its help you

3 0
3 years ago
Why is geothermal energy not used as<br> frequently as other renewable energy source?
sasho [114]

Answer:

Because its source is the almost unlimited amount of heat generated by the Earth's core. Even in geothermal areas dependent on a reservoir of hot water, the volume taken out can be reinjected, making it a sustainable energy source.

Explanation:

6 0
3 years ago
The elements of the periodic table are listed in order of increasing_________?
Leya [2.2K]
The elements of the periodic table are listed in order of increasing atomic number. 
7 0
3 years ago
Read 2 more answers
Other questions:
  • A solution with an [OH-] concentration of 1.20×10^-7 has a pOH of?
    9·1 answer
  • Choose all the answers that apply. Lakes are recharged by _____. 1.evaporation 2.precipitation 3.rivers 4.transpiration 5.ground
    12·2 answers
  • Find the number of moles in 3.30g of (NH4)2SO4
    9·1 answer
  • A sample of 2.45g aluminum oxide decomposes into 1.3g of aluminum and 1.15g of oxygen. What is the percentage composition of the
    5·1 answer
  • Hurry plz<br> How does distance affect the strength of an electric force?
    6·2 answers
  • For a solar eclipse to occur which of the following alignments is necessary? A. The moon is located along a straight line betwee
    15·1 answer
  • Give the number of particles of each element in NH3, ammonia.
    7·1 answer
  • An alkaline solution has more hydrogen ions then hydroxide ions.<br><br> a. True<br><br> b. False
    7·1 answer
  • Why is paper towel absorbing water a chemical change
    5·1 answer
  • Select the correct answer.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!