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
sladkih [1.3K]
2 years ago
10

Itssssssssss scienceeeeeee

Chemistry
1 answer:
Katen [24]2 years ago
5 0

Answer:

C.

Explanation:

...........................

You might be interested in
Which two elements have similar physical and chemical properties?
guapka [62]

Explanation:

Elements in the same group have same number of valence electrons. And we know, the elements which have same number of valence electrons, have similar physical and chemical properties. Hence, the elements in the same group have similar physical and chemical properties.

5 0
3 years ago
It has been found by mass spectrometric analysis that in nature, the relative abundances of the various isotopic atoms of silico
pochemuha

Answer:

This means that the isotope of silicon with a mass number of 28 is by far the most common of these three isotopes.

Explanation:

The abundance of Si-28 is 92.23%. Si-29 is 4.68% and Si-30 is 3.09%.

Because most Si atoms have a mass of 28 amu, the average mass of all silicon atoms is very close to 28.

Here is a video which summarizes how to calculate average atomic mass from data about mass and relative abundance.

8 0
3 years ago
I cant remember my mass, grams, and volume. and how to divide density
Bas_tet [7]
Mass divide by volume

M
__
V
7 0
3 years ago
Which are characteristics of all living things?
daser333 [38]

Order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.

3 0
3 years ago
Is the following detente true or false? Paramecia have two nuclei
blondinia [14]
Paramecia have a micro nuclei and a macro nuclei.
6 0
3 years ago
Other questions:
  • Normal body temperature is 98.6 degrees fahrenheit is what degrees Celsius
    11·2 answers
  • How much water will be required to dissolve 0.3g of benzoic acid at 95oC given that the solubility of BA at 95oC is 68.0g/L?
    10·1 answer
  • The true value was 0.120. What was your percent<br> error? ____ %
    10·2 answers
  • Balance each of the following in BASE: Show work
    8·1 answer
  • Strontium hydroxide, sr(oh)2, is reacted with trifluoroacetic acid, cf3cooh. write the balanced formula unit equation for this r
    5·1 answer
  • Need answer now! 100 points
    11·2 answers
  • almunium has a density of 2.70g/cm3. how many moles of aluminium are in a 13.2cm3 block of the metal substances?
    5·1 answer
  • The image on the left shows a normal red blood cell, and the image on the right shows a cell that has been put into a new soluti
    6·2 answers
  • Glenn has been diagnosed as HIV-positive. What disease is he at risk for?
    13·1 answer
  • Please help!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!