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
Dennis_Churaev [7]
4 years ago
10

Elements in the periodic table are arranged in columns or

Chemistry
2 answers:
elena-s [515]4 years ago
6 0
They are arranged by their atomic number which can be figured by counting how many protons or electrons they have.
lutik1710 [3]4 years ago
3 0
Maybe by protons i forgot how to spell it :(
You might be interested in
Why should we try to use less oil, natural gas and electricity?
oksano4ka [1.4K]
Because they aren’t sustainable and they contribute to global warming, I think.
6 0
3 years ago
Read 2 more answers
Why are lager astronomical bodies such as planets and stars round?
Katyanochek1 [597]
Gravity pulls mass towards its center, therefore as matter is pulled towards a source of gravity it will naturally coalesce into a ball as matter competes to head towards the source of gravity.
5 0
3 years ago
Read 2 more answers
1. Shankar and Sameer performed an experiment to differentiate primary, secondary and tertiary amines in a laboratory.Shankar co
lesya [120]

Answer: 2) Chloroform & Caustic potash

Explanation:

The carbylamine reaction is a kind of chemical test which is done to detect primary amines in an unknown solution. It cannot detect secondary and tertiary amines.

The reaction involves the heating with up of the unknown solution with alcoholic potassium hydroxide or caustic potash and the chloroform.

In the presence of primary amine, the production of isocyanide results.

3 0
3 years ago
What is the equilibrium vapor pressure of a liquid and how is it measured
weqwewe [10]
The equilibrium vapor pressure of a liquid is the pressure exerted by a vapor on the liquid at a given temperature. It is measured in atm.
8 0
4 years ago
How many protons dose p have
Softa [21]

Answer:

i have to see the question

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • When and where are your chances of being struck by lightning
    7·2 answers
  • How does polarity of the solute and solvent affect the solubility of the solute ?
    11·1 answer
  • Consider the following chemical reaction: H2 (g) + I2 (g) 2HI (g) At equilibrium in a particular experiment, the concentrations
    6·1 answer
  • HELPPP!! MULTIPLE CHOICE QUESTION!! I HAVE A QUIZ!!!
    6·1 answer
  • What is 10.0056 g/mol rounded to 3 significant figures
    9·1 answer
  • What is the measure of angle QCR?
    5·2 answers
  • Which balanced equation represents a single replacement reaction?
    13·1 answer
  • What is the frequency of a photon with a wavelength of 1040 nm. Report your answers to three significant digits. The frequency i
    12·1 answer
  • In a small, isolated group of monkeys, a new baby is born that has gray hair. The rest of the monkeys are brown. This is the res
    9·1 answer
  • Put the following elements in order of decreasing (from largest to smallest) atomic radius: Be, Ba, F, Ca.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!