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
sesenic [268]
3 years ago
8

Student follow up

Chemistry
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

Magnesium and calcium belong to the second group i. e. alkaline earth metals. They are known as earth metals because they are extracted from the earth. They are very reactive elements. Their reactivity increases when we go from top to bottom because the outermost electrons goes farther from the nucleus i. e. atomic radius increases so less energy is needed for its removal.

You might be interested in
Which type of volcano formation would typically be found under a convergent boundary?
sergij07 [2.7K]
A chain volcano would be my answer
6 0
3 years ago
Read 2 more answers
A basketball player jumps straight up to dunk a basketball. The basketball player's speed increases as she returns to the
katen-ka-za [31]

Options :

The upward force is greater than the downward force.

The downward force is greater than the upward force.

The rightward force is greater than the leftward force.

The leftward force is greater than the rightward force.

Answer:

The downward force is greater than the upward force.

Explanation:

When the player jumps to dunk a basket ball, it requires an upward force exerted on the person due to the push by the person to jump, after dunking the basket ball, the player attains maximum height, where his final velocity becomes zero and his direction changes (from upward to downward), at this point his velocity increases due to the additional force exerted on the player due to the Earth's Gravitational pull - which is a downward force which acts on an object).

Hence, it could be concluded that the increase in speed of the basketball player as she returns to the ground means that the downward force is greater than the upward force acting on the player.

7 0
2 years ago
PLS I NEED HELP!! Lucia wants to arrange the four states of matter from lowest kinetic energy to highest kinetic energy. How sho
masya89 [10]

Answer:

Basically, the more hot the state is, the more kinetic energy it will have. This means that answer D. would be right, as it goes from coldest to hottest states!

7 0
2 years ago
Read 2 more answers
Assume an object A with a mass of 66.789 g and a volume of 10.1 mL. what is its density?
docker41 [41]

Answer: 6.61

Explanation:

5 0
3 years ago
Who developed the idea of electron shells also called orbital shells
alexandr402 [8]

Answer: Niels Bohr

Explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • Why is it colder in polar regions?
    6·2 answers
  • Which term represents the attraction one atom has for the electrons in a bond with another atom? A. electronegativity B. electri
    13·1 answer
  • How can chemistry enhance our view of the world?
    5·1 answer
  • Write the cell notation for an electrochemical cell consisting of an anode where Cr2^+(aq) is oxidized to Cr3^+(aq) at a platinu
    6·1 answer
  • Which of the following is an example of chemical weathering?
    8·2 answers
  • 4. A. What is the percent by mass of water present in CoCl2.6H20?<br> B. Name the hydrate.
    10·1 answer
  • How many grams in 1.000 moles of oxygen gas?
    13·1 answer
  • The simplest method to convert an alcohol to an alkyl halide is by reacting the alcohol with concentrated HCl, HBr, or HI. Compl
    5·1 answer
  • A student drew a diagram of the quantum model of an atom, as shown.
    8·1 answer
  • 1) Which of the following statements about gases is false?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!