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
Romashka-Z-Leto [24]
3 years ago
12

What observations can you make about the valence electrons in the following columns of the periodic table?

Chemistry
1 answer:
masha68 [24]3 years ago
8 0

Answer:

Column 1. They have one valence electron

Column 2. They have 2 valence electrons

Transition metal column. Variable oxidation states

Column 3–7. Valence electron ranges from 3 to 7 electrons

Column 8. Completely filled i.e no valence electron

Explanation:

You might be interested in
Information about tectonic plate boundaries has been primarily found by scientists studying data from
taurus [48]
Studying data from earthquakes!
8 0
3 years ago
Read 2 more answers
Is potassium fluoride a covalent bond or ionic bond
Ivahew [28]

It's an ionic bond! Potassium is a cation, or a metal with a positive charge, and fluoride is an anion, or a nonmetal with a negative charge.

A covalent bond is the bond between two nonmetals.

Hope this helped!

7 0
4 years ago
Read 2 more answers
When aqueous solutions of potassium carbonate and cobalt(II) sulfate are combined, solid cobalt(II) carbonate and a solution of
Lostsunrise [7]
K2CO3 (aq) + CoSO4 (aq) ---> CoCO3 (s) + K2SO4 (aq)
6 0
3 years ago
Read 2 more answers
Radioactive americium-241 is used in household smoke detectors and in bone mineral analysis.
Varvara68 [4.7K]

Answer:

Electrons- 95

Protons- 95

Neutrons-146

Explanation:

An atoms is made up of three fundamental particles; electrons, protons and neutrons,

Americium belongs to the f block in the periodic table. It is an actinide element.

An atom of Am-241 contains 95 protons, 95 electrons and 146 neutrons.

4 0
3 years ago
A few Critical Thinking questions/creativity on the topic 'Particles of matter are very small'
Nookie1986 [14]

Answer:

Any substance which occupies space and has mass is known as matter. States of matter: Matter exist in three different states that are Solid, Liquid and Gas. Matter is made up of very small particles

Explanation:

7 0
3 years ago
Other questions:
  • Which sample of matter has a crystal structure?
    9·1 answer
  • Of the elements: b, c, f, li, and na. the element with the highest ionization energy is
    5·1 answer
  • Covers top layer of leaf, is water-repellent and prevents water loss
    5·1 answer
  • HELP!!
    9·1 answer
  • What is the vertical row of elements called? What do they have in common?
    12·1 answer
  • In an experiment, Lydia added 50 grams of sugar to 200 milliliters of water. She stirred the mixture, and the sugar eventually d
    6·1 answer
  • According to the atomists, the entire physical world was made of:
    9·1 answer
  • Which of the following is a true for subtropical jet streams​
    7·1 answer
  • Aspirin has the formula C9H8O4 If it is decomposed, a product it could never produce is:
    7·1 answer
  • Explain what physical state ypu would expect astatine to be in at room temperature
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!