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
ikadub [295]
3 years ago
9

Which sequence contains elements listed from most reactive to least reactive?

Chemistry
1 answer:
maxonik [38]3 years ago
6 0

Answer:

Transition metals, alkali metals, alkaline earth metals Transition metals - Middle of the periodic chart, only average reactivity. alkali metals - As mentioned above, very reactive. Bad choice, going from lower reactivity to higher reactivity.

Hope this answer is right!

You might be interested in
A genetic mutation is always observable in an organism physical appearance True or false
ale4655 [162]

Answer:

false

Explanation:

false, only a small percentage of mutations cause genetic disorders—most have no impact on health or development. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.

4 0
3 years ago
Which element has the lowest first ionization energy? (F), (Li), (Fr), (Rb)?
Mariulka [41]

Answer:

Fr

Explanation:

Francium (Fr) has the lowest ionization energy, with a value of 4.0727eV. This ionization energy increases as one advances in a period, being greater in the group of nonmetals.

6 0
3 years ago
The ozone "hole" over Antarctica formed as the result of a series of chemical reactions. The loss occurs in part through three c
mixer [17]

Answer:

A)

Cl + O3 --> ClO + O2

2ClO --> ClOOCl

ClOOCl --> 2 Cl + O2

B)

Cl2 + 4O3 -> 2 ClO + 5O2

Explanation:

Step 1: Chlorine atoms react with ozone (O3) to form chlorine monoxide and molecular oxygen

Cl + O3 --> ClO + O2

Step 2: Chlorine monoxide molecules combine to form ClOOCl gas

2ClO --> ClOOCl

Step 3: ClOOCl absorbs sunlight and breaks into chlorine atoms and molecular oxygen

ClOOCl --> 2 Cl + O2

B) Overall Balanced equation

Cl2 + 4O3 -> 2 ClO + 5O2

7 0
3 years ago
Electrons move in what is called an atoms electron _______. Plz help me
kupik [55]
Electrons move in what is called an electron cloud. Each atom has its own electron cloud associated with it. This region simply represents an area or likelihood within that an electron of corresponding energy can be found within.
5 0
3 years ago
Calculeaza cantitatea de solutie de clorura de sodiu cu concentratia 30% necesara pentru obtinerea a 112 L de clor (c.n). Ce vol
Slav-nsk [51]

Answer:

um i kinda dont speak spanish

Explanation:

7 0
3 years ago
Other questions:
  • Which of the following reactions is spontaneous?
    8·1 answer
  • What is Arsenic cost per unit?
    10·1 answer
  • Whats a electron please help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
    13·2 answers
  • Two gases have the same temperature but different pressures. The kinetic-molecular theory does not predict that a. molecules in
    6·1 answer
  • How many significant figure are in the number 0.000850320
    5·1 answer
  • a covalent bond forms a. when an element becomes a noble gas. b. when atoms share electrons. c. between metals and nonmetals. d.
    10·1 answer
  • Chemistry!! Help please!!
    15·1 answer
  • Explain any three ways of protecting our water bodies
    14·1 answer
  • What is the mass of 2.49 moles of sucrose?
    10·1 answer
  • which group of the periodic table has elements with atoms that tend not to bond with other atoms of other elements
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!