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
algol13
3 years ago
10

What are the horizontal (from left to right) parts of the periodic table called?

Chemistry
2 answers:
Setler [38]3 years ago
8 0

Answer:

The correct answer is periods. See the explanation below, please.

Explanation:

The horizontal lines in the periodic table are called periods (ranging from 1 to 7) and vertical lines (ranging from 1 to 18).

The period that an element belongs to coincides with the last electronic layer of the element (that compound in period 3 will have 2 electronic layers).

sergey [27]3 years ago
7 0
It would be periods because they are also known as rows=Principal Energy Levels that hold electrons
You might be interested in
Fill in the coefficients that will balance the following reaction:
Alex17521 [72]

Answer:

To balance a reaction, the amount of reactants must be equal to the amount of products, as stated by the Law of Conservation of Matter. It may help you to keep track of  the number of each element in a list as you try to balance. It's not able to be balanced.

3 0
2 years ago
Read 2 more answers
Compare the type of change that occurs when an iron bar rusts and when a substance freezes.
Ivanshal [37]

Explanation:

when an iron bar rust is an example of a chemical change in which a new substance is formed and the change is not easily reversible.for iron to rust moisture and air must be present.while when a substance freezes,it can be easily reversed through melting and no new substance is formed.this change is termed a physical change.

5 0
2 years ago
What is the charge of an atom's nucleus of an atom has 20 protons, 23 neutrons, and 18 electrons?
Sidana [21]

Answer:

It would have a charge of +2.

Explanation:

A proton has a charge of +1, an elctron has a charge of -1, and a neutron has a charge of 0. Ignore the neurons since they have a charge of 0. Since there are 20 protons and 18 electrons (20-18), the overall charge of the atom is +2.

8 0
3 years ago
Read 2 more answers
Select the correct answer.
Karo-lina-s [1.5K]

Answer: OB

Explanation:

The empirical formula of an element is the simplest formula of an element which shows the ratios of atoms of the each element present in a molecule of a compound .

4 0
2 years ago
24 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!
erastovalidia [21]
I'd say b, but i'm not 100 percent sure.<span />
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the product of an addition reaction between butanal, ch3−ch2−ch2−cho, and water?
    12·1 answer
  • What is the molecular geometry, or shape, of phosphorus trichloride (PC13)?
    14·2 answers
  • In an effort to try winning World War I, many countries broke previously created treaties and pacts that banned the use of chemi
    15·1 answer
  • If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new
    8·1 answer
  • How do u separate salt from rock salt?
    11·1 answer
  • Calculate the energy for vacancy formation in silver, given that the equilibrium number of vacancies at 800˚C (1073 K) is 3.6 ×
    13·2 answers
  • How does the average reaction rate differ from an instantaneous reaction rate?
    6·1 answer
  • Which alternative energy source would be expected to be the least dependent upon the weather?
    13·1 answer
  • Select all that are True.
    13·1 answer
  • It would be nice if someone HELPED. During an experiment, you observe that two charged balloons repel each other. When you bring
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!