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
Alex787 [66]
3 years ago
5

Can someone help with question 16? ASAP

Chemistry
1 answer:
Flura [38]3 years ago
4 0

1. carbon lies in the 2nd period where silicon in the third period.

2. carbon is a non metal whereas silicon is a metalloid.

3. there are only 3 isotopes of carbon and 23 isotopes of silicon

4. size of silicon atom is larger

5. silicon is heavier than carbon.

You might be interested in
A can of hairspray is crushed down to half its normal volume. What will
erik [133]

Answer:

pressure doubles

Explanation:

they are inversly preportional

6 0
2 years ago
What is the S.I unit of pressure?
Vesna [10]

Answer:

pascal(pa)

Explanation:

the unit of pascal (pa), defined as a force of one newton per square meter. the conversion between atm ,pa, torr is as follow : 1 atm =101325 pa= 760 torr.

5 0
3 years ago
Under constant temperature, the volume occupied by a gas varies inversely to the pressure applied. If the gas occupies a volume
solniwko [45]

Answer:

not sure, but you know what?

Explanation:

you are amazing! keep doing what youre doing!

7 0
3 years ago
40 cm3 of acid were mixed with 60 cm3 of alkali in an insulated container. What name is given to this type of reaction?
Stells [14]

Answer:

neutralization reaction

6 0
1 year ago
Mass of 0.432 moles of C8H9O4?
Fiesta28 [93]
Find one mole
8 C = 8 * 12 = 96
9 H = 1 * 9 = 9
4 O = 4 *16 = 64
Total = 169 

1 mol = 169 grams.
0.432 mol = x

1/0.432 = 169/x
x = 0.432 * 169
x = 73.0 grams
7 0
2 years ago
Read 2 more answers
Other questions:
  • Brainliest! Please help me out with this table!! :(<br><br>​
    13·1 answer
  • Bohr model for silicon
    7·1 answer
  • The hybridization associated with the central atom of a molecule in which all the bond angles are 180° is ____.
    13·1 answer
  • If a 273g of a material displaced 26 mL of water, what is its density?
    14·1 answer
  • A 13.5 g sample of gold is heated to 125.0°C, then placed in a calorimeter containing 60.0 g of water. The final temperature of
    14·1 answer
  • What is the maximum amount of kcl that can dissolve in 200 g of water? (the solubility of kcl is 34 g/100 g h?
    9·1 answer
  • A sample of the inhalation anesthetic gas Halothane, in a 500-mL cylinder has a pressure of 2.3 atm at 0°C. What will be the pre
    6·2 answers
  • 5. A vitamin contains 1.5 x 10' grams of zinc. How many moles of zinc are in the vitamin?
    14·1 answer
  • In a reaction where A + B AB, what does an equilibrium position of A= 14%, B = 14%, and AB= 72% indicate about the reaction?
    9·2 answers
  • How do plate tectonics affect mountains?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!