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
BaLLatris [955]
3 years ago
12

Define essential elements and how many elements are required for life

Chemistry
1 answer:
Travka [436]3 years ago
3 0
Living organisms contain relatively large amounts of oxygen, carbon, hydrogen, nitrogen, and sulfur (thesefive elements are known as the bulk elements), along with sodium, magnesium, potassium, calcium, chlorine, and phosphorus (these six elements are known as macrominerals).
You might be interested in
Which of the following is a chemical property of water? It ___________.
lbvjy [14]
The answer is A beautiful
4 0
3 years ago
According to the kinetic-molecular theory, the collision between two ideal gas particles is a result of
Svetlanka [38]
<span>The correct answer is neither attraction nor repulsion.</span>
<span>Kinetic Molecular Theory explains that gas particles are in constant motion and exhibit perfectly elastic collisions. The motion of gas particles is random, meaning that there are no attractive forces on each other or on their surroundings. When two particles collide, the total kinetic energy is conserved.</span>
4 0
3 years ago
Read 2 more answers
The sodium salt, NaA, of a weak acid is dissolved in water; no other substance is added. Which of these statements (to a close a
ddd [48]

Answer:

Your question is somewhat poorly worded, even so what I can contribute is the statement is false, since the salt is sodium chloride, where its severe chemical formula NaCl, is a SALT not an acid and if it dissolves in water, seriously the solute of a solution, where water plays the role of the solvent

Explanation:

Sodium chloride is a binary salt, very easy to dissolve in water, it is also called the famous table salt, since it can be ingested in food even though it is not so recommended against high blood pressure conditions.

8 0
2 years ago
Which formula contains two non- metals?<br><br>BaO<br>NaBr<br>KI<br>Si O2​
Yakvenalex [24]
SiO2 is the only possible choice because the other formulas contain metals. how do we know this? because the other formulas contain elements located on the left of the “staircase” on the periodic table that separates metals from non-metals.
6 0
3 years ago
According to the collision theory and model created to explain the collision theory, what two factors must be satisfied for a gi
storchak [24]
The answer is correct orientation and sufficient energy. Answer choice D
4 0
3 years ago
Read 2 more answers
Other questions:
  • In a crystal lattice of an ionic compound,
    11·1 answer
  • What is the molar mass of magnesium chloride, MgCl2?
    9·1 answer
  • A . When atoms share electrons to fill their outermost energy levels, they form _________ bonds.
    7·1 answer
  • As the vibration of molecules increases, the _____ of the substance increases.
    8·1 answer
  • What is the mole ratio of fe304 to fe?
    6·1 answer
  • What are the coefficients for the reaction _Cl2O5 + _H2O → _HClO3 once it is balanced?
    9·1 answer
  • Match the term with the definition.
    9·2 answers
  • Molecules have Question 1 options: A) both potential and kinetic energy. B) neither kinetic nor potential energy. C) only kineti
    5·1 answer
  • How many moles of HCI would you have if you have 7 L of a 9M solution<br> of HCI? *
    5·1 answer
  • Which best defines color?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!