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
Neporo4naja [7]
3 years ago
14

PLEASE HELP , 2-8 please

Chemistry
1 answer:
german3 years ago
4 0
Answers:
2. valence electrons
3. a bond formed when atoms share one or more pairs of electrons.
4. chemical formula
5. a. calcium - 2
b. carbon - 4
c. sulfur - 6
6. a. electrons
7. the elements that make up water can't be split into a simpler form, but water can. water is a liquid at room temperature, oxygen and hydrogen are gases at room temperature.

8. because it is made of oxygen and hydrogen and one is partially negative and one is partially positive.

explanation: you’re welcome.
You might be interested in
3 Cu + 8HNO3 --> 3 Cu(NO3)2 + 2 NO + 4 H2O
Zepler [3.9K]

Answer:

A shape has 2 pairs of parallel sides and no right angles. What shape is it?

Trapezoid

Parallelogram

Square

RectangleA shape has 2 pairs of parallel sides and no right angles. What shape is it?

Trapezoid

Parallelogram

Square

Rectangle

Explanation:

A shape has 2 pairs of parallel sides and no right angles. What shape is it?

Trapezoid

Parallelogram

Square

Rectangle

7 0
2 years ago
The ability of an atom to attract the shared electrons in a covalent bond is its
DochEvi [55]
<span>The ability of an atom to attract the shared electrons in a covalent bond is its:</span>electronegativity.
8 0
3 years ago
How many molecules are there in 1024 grams of Na2SO4?
tino4ka555 [31]

Answer:

1.91 x 450 molecules

Explanation:

4 0
2 years ago
37)
liberstina [14]

Answer:

The answer is D.

Explanation:

8 0
3 years ago
Read 2 more answers
An agent of weathering where liquid water seeps into the cracks of rocks is called?​
babunello [35]

Answer:

Water, in either liquid or solid form, is often a key agent of mechanical weathering. For instance, liquid water can seep into cracks and crevices in rock. If temperatures drop low enough, the water will freeze. ... This specific process (the freeze-thaw cycle) is called frost weathering or cryofracturing.

5 0
2 years ago
Read 2 more answers
Other questions:
  • For the reaction shown here, 3.5 mola is mixed with 5.9 molb and 2.2 molc. what is the limiting reactant?3a+2b+c→2d
    6·1 answer
  • Use the free energies of formation given below to calculate the equilibrium constant (K) for the following reaction at 298 K. 2
    15·1 answer
  • Backpackers often use canisters of white gas to fuel a cooking stove’s burner. If one canister contains 1.45 L of white gas, and
    13·1 answer
  • Which of the following elements are good insulators?
    6·2 answers
  • How many moles are there in 7.50 x 10^23 atoms of iron?
    10·1 answer
  • A travel mug of 91∘C coffee is left on the roof of a parked car on a cold winter day. The temperature of the coffee after t minu
    9·1 answer
  • A sample of helium gas has a volume of 2.0 L at a pressure of 4.0 atm. What is the volume of gas at 380 mmHg
    14·1 answer
  • Help!!! i need asapp
    13·1 answer
  • What is the oxidation number of Fe in [Fe (CN)4]2-​
    14·1 answer
  • According to the law of conservation of mass, if five atoms of hydrogen are used
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!