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
Paul [167]
3 years ago
13

Why are atoms arranged in periods ...???

Physics
2 answers:
Andrews [41]3 years ago
7 0
For classification, according to number of shells......
Sati [7]3 years ago
3 0
<span>A horizontal row in the periodic table, which signifies the total number of electron shells in an element's atom. A vertical column in the periodic table, which signifies the number of valence shell electrons in an element's atom.</span>
You might be interested in
The equilibrium constant for a given reaction... Group of answer choices always increases with temperature. increases with tempe
adell [148]

Explanation:In exothermic reactions, increase in temperature decreases the equilibrium constant, K, whereas, in endothermic reactions, increase in temperature increases the K

8 0
3 years ago
How do fish breathe
jasenka [17]
Through their gills.
5 0
3 years ago
____ is rate of change of position.
Korvikt [17]
The RATE of change of position is speed.
3 0
3 years ago
Read 2 more answers
At a location, rainwater runs off the face of a cliff that is 15 meters high. How is the face of the cliff likely to change over
stiv31 [10]
Weathering by water would cut its top deeper than the middle
5 0
3 years ago
Give three examples of properties of elements
IgorC [24]

Answer: Atomic number, Atomic Mass, Ionic radius

Explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • In order for rejuvenation to take place in a stream, what must occur first?
    14·1 answer
  • The chemical combination of two or more different atoms in fixed amounts is called a(n)
    6·2 answers
  • Which sentence best describes the axis of rotation of Earth?
    12·1 answer
  • The mass of all bicycles and riders indicated in the graph are equal. What indicates the order of their average velocity from gr
    12·2 answers
  • In what direction does an applied force move an object?
    5·2 answers
  • 1/12 of 1/3 is what fraction?
    8·1 answer
  • A 1.3 kgkg block slides along a frictionless surface at 1.3 m/sm/s . A second block, sliding at a faster 5.0 m/sm/s , collides w
    9·2 answers
  • How can you increase the current in a circuit?
    8·1 answer
  • Objects have the same velocity only if they are moving the same speed and in the same direction. objects moving at different spe
    10·1 answer
  • What indicates that a chemical reaction has taken place? Explain why
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!