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
Leona [35]
3 years ago
14

If you know this history quiz help please

Chemistry
1 answer:
Nuetrik [128]3 years ago
5 0
The Answer is C - .........
You might be interested in
What is one of the products produced when al(no3)3 and cao react together? alo2 cano3 al2o3 ca(no3)3?
cricket20 [7]
The chemical balanced equation for the given question is this:
2AL[NO3]3 + 3CaO = AL2O3 + 3Ca[NO3]2.
So, one of the product formed is AI2O3. The other product is Ca[NO3]2.
The reaction is a double replacement reaction.
8 0
3 years ago
Read 2 more answers
Determine the distance of closest approach (in fm) before the alpha particle reverses direction. Assume the lead nucleus remains
kiruha [24]

Answer:

Take E(alpha particle energy) = 5.5 MeV (5.5x106x1.6x10-19)

If the charge on the lead nucleus is +82e(atomic number of lead is 82) = +82x1.6x10-19 C and the charge on the alpha particle is +2e = 2x1.6x10-19 C

Using dc = (1/4πεo)qQ/Eα we have

dc = [9x10^9x(2x1.6x10-19x82x1.6x10-19)]/5.5x10-13 = 6.67x10^-13m. = 6.67 x 10^-13 x 10^15 = 6.67 x 10^2fm

Note: 1meter = 10^15fentometer

Explanation:

This is well inside the atom but some eight nuclear diameters from the centre of the lead nucleus.

7 0
3 years ago
Which describes the polarity in a water molecule?
PilotLPTM [1.2K]
<span>Water is considered as a polar molecule because its electrons has an uneven distribution. It has a partial negative charge and a partial positive charge on both ends of the molecule. </span>I hope my answer has come to your help. God bless and have a nice day ahead!
7 0
3 years ago
Read 2 more answers
Bill sets up an experiment to determine and predict the velocity of a marble at the end of a track. He uses an electronic balanc
Nuetrik [128]

Answer:

A

Explanation:

USATestPrep

8 0
2 years ago
The electron configuration of bromine is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5 classify electrons in each.
bulgar [2K]

Bromine has the following electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5. categorize the electrons in each. Answer for video: The video player is loaded.

On the periodic chart, row 5, column 7, is where you can find a chemical element that was identified in 1811. It has a proton count of 53 and an atomic mass of 126.9. Iodine's atom, then, contains 53 electrons in the following configuration: 1s2, 2s2, 2p6, 3s2, 3d10, 4p6, 5s2, 4d10, 5p5 (Kr 4d10 5s2 5p5). Cu Z = 29 has an electrical arrangement of 1s2 2s2 2p6 3s2 3p6 3d10 4s1. Copper (Co) has the following electron configuration: 1s2 2s2 2p6 3s3 3p6 4s2 3d7. If a chemist were to refer to Copper by its subshell, they would abbreviate this notation to "3d7."

To learn more about electrons please click on below link

brainly.com/question/1255220

#SPJ4

7 0
1 year ago
Other questions:
  • Identify the examples in which Sam interacts only with natural resources.
    8·2 answers
  • Which unit abbreviation is a measurement of force?
    12·2 answers
  • HCN is classified as a weak acid in water. This means that it produces ________.
    9·2 answers
  • Who Invented microscopes? (This one is for fun. I will be giving away 50 points to the first person!)
    6·1 answer
  • Identify the solute and the solvent in each of the following solutions
    12·1 answer
  • A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and saniti
    13·1 answer
  • What is the measure of a quantity of energy
    7·2 answers
  • The image shows Mary happily swinging in the park. There are
    11·1 answer
  • PLEASE HELP!! ILL MARK BRAINLIST!! ​
    6·1 answer
  • Levi is installing a heat pump. He installed the pipes two feet deep. He then installed the unit withín the house and
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!