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
Aneli [31]
3 years ago
14

NEED ANSWERS FAST !! HELP PLEASE !!

Chemistry
1 answer:
liberstina [14]3 years ago
8 0

Answer

7) a. Lose

8) a. they will repel

9) b. lose

10) a. they have opposite charges

11) d. 18

You might be interested in
Mention the advantage of Mercury over alcohol when they are used as thermal thermometric liquid​
kirill [66]

Answer:

Alcohol has greater value of temperature coefficient of expansion than mercury.

6 0
3 years ago
Use the periodic table to identify the molar mass of each element below. Answer without doing any calculations.
Delicious77 [7]

Answer:

Beryllium (Be) : 9.01 g/mol

Silicon (Si) : 28.09 g/mol

Calcium (Ca) : 40.08 g/mol

Rhodium (Rh) : 102.91 g/mol

Explanation:

8 0
4 years ago
Read 2 more answers
1. Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the na
Y_Kistochka [10]

Answer:

D

Explanation:

4 0
3 years ago
Draw lewis formula and structural formula of hydrogen ion please and thank you
tresset_1 [31]

The Lewis formula refers to a diagram showing the distribution of electrones and in case of a molecule it also shows the bonds.

The structural formula on the other hand is a representation of the molecular structure that shows all the atoms that form the molecule, arranged in a three dimentional space,

In this case we have the hydrogen ion, which is the simpliest case we can have.

Hydrogen ion is the hydrogen atom possitively charged as it has lost his electron. Therefore the structural formula is simply the following:

The Lewis formula is also very simple as this ion has no electrons and has no bonding to other atoms:

4 0
1 year ago
Are those correct if not tell me which are wrong I need help with number 21 also
adelina 88 [10]
For 23., you have to find a way to measure your heart rate not increase it. search it up on google.

3 0
4 years ago
Read 2 more answers
Other questions:
  • How many equivalent resonance forms can be drawn for co32-? (carbon is the central atom.) how many equivalent resonance forms ca
    8·1 answer
  • What best explains the relationship between structure and function of the cell membrane?
    12·2 answers
  • How many moles of hydrogen, H2, are needed to react with 4.0 moles of nitrogen, N2
    13·1 answer
  • How many grams are in 2.75 moles of Calcium
    5·2 answers
  • We know that the law of conservation of energy states that energy can not be created or destroyed. It only changes form. Conside
    11·2 answers
  • How many photons are produced in a laser pulse of 0.430j at 679nm.
    5·2 answers
  • What is different between elastic energy, kinetic energy, and gravitational energy?
    8·1 answer
  • Why do you think they stilk proruxe bright flowers to attract bees?
    13·2 answers
  • 4. The speed of a wave is 75m/s. If the wavelength of the wave is 5m, what is the frequency of the
    15·2 answers
  • The atomic mass of an element is measured relative to the mass of *
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!