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
Leviafan [203]
3 years ago
7

Matter is composed of basic substances called what

Chemistry
2 answers:
Andreyy893 years ago
5 0
The basic substances are called elements
leva [86]3 years ago
4 0
Matter is composed of basic substances called elements. Elements is a substance of atoms. It has the same number of protons. They are also the simplest substance that can not be broken down using chemical methods. Hoped I helped. :)
You might be interested in
A ----------------- is a repeating pattern of positive and negative ions.
Dennis_Churaev [7]
That would be ionic lattice.
4 0
3 years ago
Complete combustion of 2.0 metric tons of coal to gaseous carbon dioxide releases 6.6X10¹⁰ J of heat. Convert this energy to
Jobisdone [24]

6.6 × 10^{10} J = 6.2 × 10^{7} British thermal units

First of all, we should know that 1 British thermal unit = 1055 Joules.

From question, heat = 6.6 × 10^{10} J

1 BTU = 1055 J

6.6 × 10^{10} J = \frac{1}{1055} ×  6.6 × 10^{10} British thermal units

                   = 6.2 × 10^{7} British thermal units

1000 Joules = 1 kilojoule

A kilojoule is a unit of measure of energy, in the equal way that kilometers degree distance. meals energy used to be measured in energy  and some international locations still use those gadgets.

The power we get from foods and drinks is measured in kilojoules. that is the metric time period for calorie. Kilojoules and energy constitute the equal aspect. One calorie is ready four kilojoules.

Calorie a unit for measuring warmth same to the quantity of warmth required to elevate the temperature of one gram of water one diploma Celsius.

Learn more about kilojoules here :- brainly.com/question/490326

#SPJ4

4 0
1 year ago
Which is a gas at room temperature?
dalvyx [7]

Answer:

Several of the nonmetals are gases in their elemental form. Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F, element 9), and chlorine (Cl, element 17) are all gases at room temperature, and are found as diatomic molecules (H2, N2, O2, F2, Cl2).

Explanation:

8 0
3 years ago
Read 2 more answers
What do you add to a base to weaken it
lesantik [10]

Answer:

you dont do anything because then you are supporting it

if u add something

Explanation:

6 0
3 years ago
25<br> #of<br> protons<br> # of<br> neutrons<br> # of<br> electrons
Molodets [167]

Answer:

16

Explanation:

number of electrons should also be 16.

5 0
3 years ago
Other questions:
  • What could cause a test tube to crack?
    5·2 answers
  • Hydrobromic acid (HBr) and sodium hydroxide (NaOH) combine in a neutralization reaction to form water and a salt. Which of the f
    5·1 answer
  • All atoms of an element are ________?
    10·2 answers
  • Which of the following diagrams is the correct electron dot diagram for S?
    12·1 answer
  • Phosphorus react with carbon<br>​
    7·1 answer
  • Which of the following best describes a vacuum?<br> Hot<br> Cold <br> Shiny<br> Empty
    11·2 answers
  • True or False? You can observe physical properties of matter without changing the identity of the substance
    9·2 answers
  • In diamond, each carbon atom is covalently bonded to four other carbons in a
    9·1 answer
  • Two different substance can have the same properties ​
    5·1 answer
  • How many electrons are present in the nonbonding π molecular orbital of the allyl anion? a. 2 b. 1 c. 3 d. 0
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!