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
lord [1]
3 years ago
15

4. Refer the table given below to answer the questions fon Electronic configuration Element Atomic number 11 R 19 2,8,1 2,8,8, 1

2,8,8, 92 20 S T 12 2,812. Are the above elements Q, R, S and I metals or non-metals? Support your answer with reasona.​
Chemistry
1 answer:
denpristay [2]3 years ago
7 0

Answer:

The electronic configuration of the element with Atomic number 19 is 2,8,8,1. The element is potassium. It is an alkali metal with one valence electron.

You might be interested in
HCL ejercicio de química
marin [14]
What I can’t understand I’m American
5 0
2 years ago
Read 2 more answers
There are only two isotopes of gallium: ^69Ga (68.926 amu) and ^71Ga(70.025 amu). The average atomic mass of gallium is 69.723 a
SVEN [57.7K]
The question ask for the percentage of the abundance of galium-69 where there is two isotopes of galium: the 69Ga and the 71Ga. The average atomic mass of gallium is 69.723 amu. So the formula would be <span>69.723amu=(%x)∗(68.926amu)+(1−%x)∗(70.025amu) and the answer to this is 1.58%</span>
3 0
2 years ago
The incomplete table below shows selected characteristics of gas laws.
lorasvet [3.4K]

Answer:

pressure and temperature

Explanation:

6 0
3 years ago
Read 2 more answers
Recorded observations are called:
Lostsunrise [7]
Recorded observations is called data.
7 0
3 years ago
Read 2 more answers
Pesticides Physical properties or Chemical Properties
larisa86 [58]
A chemical Property I hope this helps friend ^^

8 0
3 years ago
Other questions:
  • In examining an organic compound, you discover that it contains the following functional group. What class of organic compound i
    14·2 answers
  • Biomass can be used to generate electricity. Biomass relies heavily on agricultural crops. Plants release carbon dioxide and wat
    15·1 answer
  • A soil’s texture is demanded by
    6·1 answer
  • Determine whether each compound is soluble or insoluble. If the compound is soluble, list the ions present in solution. AgNO3 Pb
    8·2 answers
  • PLEASE HELP ME
    10·1 answer
  • C=h/[M(T2-T1)] solve for T1
    14·1 answer
  • What are the two reservoirs that contain almost all of Earth's fresh water?
    12·1 answer
  • What change could a chemist make to a reaction environment that would increase the likelihood that molecules in a reaction would
    8·1 answer
  • What is the basic difference between exergonic and endergonic reactions? Group of answer choices Exergonic reactions release ene
    9·1 answer
  • Which statement accurately describes what happens when ice melts in terms of energy?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!