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
mr Goodwill [35]
2 years ago
15

The atomic number of potassium is 19. How many electrons does this element have?

Chemistry
1 answer:
Vinvika [58]2 years ago
7 0

Answer:

Potassium is an element that has 19 electrons

You might be interested in
I need help with this ASAP PLEASE
Artemon [7]

439.3 g CO2

Explanation:

First find the # of moles of CO2 that results from the combustion of 3.327 mol C3H6:

3.227 mol C3H6 × (6 mol CO2/2 mol C3H6)

= 9.981 mol CO2

Use the molar mass of CO2 to determine the # of grams of CO2:

9.981 mol CO2 x (44.01 g CO2/1 mol CO2)

= 439.3 g CO2

5 0
2 years ago
Which temperature and pressure are used as standards for gases?
qwelly [4]

Answer:

0°C and 1 atm

Explanation:

This are the conditions of temperature and pressure defined by IUPAC as standard.

But also, the definition used by the NIST considerates a temrperature of 20°C and a pressure of 1 atm

3 0
3 years ago
Read 2 more answers
Answer my my science homework please
ludmilkaskok [199]
1. D

2. <span>83.5 million years ago - 66 million years ago

3. </span><span>It had armor and could rotate to keep its caudal bludgeon facing the enemy.

hope this helped :)
alisa202</span>
5 0
2 years ago
At what temperature will 2.50 moles of ideal
Sever21 [200]

Answer: 1,218K

Explanation:

7 0
2 years ago
Use the information below, to write a word equation, then change it into a balanced symbol equation.
Kamila [148]

Answer:

Mg    +  2HCl  -> MgCl2   + H2

Explanation:

7 0
3 years ago
Other questions:
  • Why does a water molecule have a bent shape?
    5·1 answer
  • Why did Rutherford conclude that the atom was mostly empty space?
    10·1 answer
  • 8.41 x 10 to the -7 grams to microgram
    14·1 answer
  • Given the reaction:
    9·2 answers
  • you drop a marble ball into a glass filled with water, which results ib 3.75 mL of water being displaced (spilled out). given th
    8·1 answer
  • Determine y for the following equation: log(9/8)=y
    6·1 answer
  • The following is an example of what type of chemical reaction?
    9·1 answer
  • How is a gas different from a solid or a liquid? (choose all that apply)
    14·1 answer
  • Explain how potential energy and kinetic energy are transformed in a roller coaster.
    11·1 answer
  • At the triple point on a phase diagram, what state(s) of matter exist?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!