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
nlexa [21]
3 years ago
13

Potassium (K) and copper (Cu) are both in period 4. They both have _____.

Biology
1 answer:
Virty [35]3 years ago
5 0

Answer:A): four electron shells

Explanation:

In the period table, atoms are arranged in rows called periods and columns called groups. The arrangement of atoms in groups is based on the number of their valence electrons while the arrangement of atoms across the periods is based on their number of electrons shells. Atoms are arranged across the periods in increasing order of their atomic number i.e., according to their number of electrons. Potassium has 19 electrons while copper has 29 electrons. Both has four electrons shells according to their electronic configuration.

You might be interested in
What is the purpose of the mucus secreting goblet ​
Sati [7]
They help neutralize the acids produced by the stomach.
4 0
3 years ago
Which pair of structures would provide a positive identification of a plant cell under a microscope?
noname [10]

Answer:

b

Explanation:

b

6 0
3 years ago
Read 2 more answers
Im not sure which one it is
Pepsi [2]

Answer:

its the 3 one

Explanation:

3 0
3 years ago
What cell organelle is involved with the formation of proteins, based on the information the mRNA brings out of the nucleus?
sladkih [1.3K]

Answer:

The answer is D, Ribosome.

Explanation

3 0
2 years ago
Read the following sentence from the section "The
Setler79 [48]

Answer:

The particles that cause the aurora are energized in the magnetosphere, that is, above the atmosphere. If they don't reach 10,000 volts, they will still cause auroral light. The lower energy won't change the wave length of the light, but will cause the light to be dimmer.

Explanation:

4 0
2 years ago
Other questions:
  • A person who has been exposed to a disease and is capable of transmitting the disease is a:
    14·1 answer
  • Which bacteria lives in the root nodules of leguminous plants?
    6·1 answer
  • Explain how a dog meets all of the characteristics of life. You may conduct your own online research using credible websites to
    13·2 answers
  • Who was an American that was able to significantly improve the quality of the magnified images with his microscopes?
    12·2 answers
  • Hurry due in 5 min plz help for test
    11·2 answers
  • Macromolecules inside of foods can be large polymers or small monomers
    9·1 answer
  • Plants use water during photosynthesis
    15·1 answer
  • Which types of organisms perform both
    9·1 answer
  • Rade Repair 1st Semester-Hughes
    11·1 answer
  • Give two characteristics of the endordermis of young root​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!