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
Juli2301 [7.4K]
3 years ago
6

Does a periodic table indicate the occurrence of elements​

Chemistry
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

no

Explanation:

it only shows the atomic number and basically the chemical behavior of the element

You might be interested in
When heating a solution to boiling on a hot plate, start by ___________. Then, turn the heat to ___________to start. If necessar
Aleonysh [2.5K]

Answer:

1. starting and stabilizing the stir function

2. a medium heat

3.turn up the heat setting

Explanation:

A chemical reaction can be defined as a chemical process which typically involves the transformation or rearrangement of the atomic, ionic or molecular structure of an element through the breakdown and formation of chemical bonds to produce a new compound or substance.

Some of the laboratory apparatus (equipment) used for conducting a chemical reaction are conical flask, Bunsen burner, beaker, tongs, crucible, round bottom flask etc.

When heating a solution to boiling on a hot plate, start by starting and stabilizing the stir function. Then, turn the heat to a medium heat to start. If necessary, turn up the heat setting after waiting about ten minutes without seeing boiling.

The safety precautions that must be taken when heating a solution to boiling on a hot plate;

I. A proper inspection of the round bottom flask for cracks, irregularities or any imperfection.

II. Ensure you avoid heating the flask while it is closed.

III. When suspending the flask on a hot plate, you should ensure that you use a clamp for stability.

5 0
3 years ago
PLEASE HELP WILL GIVE 20PTS AND WILL MARK BRAINLIEST FOR RIGHT ANSWER!!!
Marysya12 [62]

Answer:

C) 0.457

Explanation:

The ratio between O2 and H2O is 1:2 according to the balanced equation. You can find how many moles is O2 by : 5.12/22.4 = 0.22857 ( 1 mole = 22.4 litters)

Moles of H2O will be 0.22857 * 2 = 0.457142.

Therefore answer C)

7 0
3 years ago
Help please I am so lost my teacher is no help
uranmaximum [27]

Answer:

B - CALCIUM

Explanation:

Hopes it helps

6 0
3 years ago
How many types of biodiversity Are there
Mashcka [7]
3
Species
Genetic diversity
Ecosystem diversity
8 0
4 years ago
If I have 2 mol NaOH in 3 L of solution, what is the molarity of my solution?
qwelly [4]

Answer:

0.67 mole/litre

Explanation:

the molarity equall no. of moles ÷ volume of sol.

3 0
3 years ago
Other questions:
  • Which statement best explains why different gases effuse at different rates?
    11·2 answers
  • How many total atoms are represented by the formula below? 4H2SO4
    7·2 answers
  • Complete the following paragraph to describe how the electrostatic forces in salt compounds can be overcome by interactions betw
    9·1 answer
  • When 10 g of diethyl ether is converted to vapor at its boiling point, about how much heat is absorbed? (c4h10o, δhvap = 15.7 kj
    13·1 answer
  • Choose the substance with the lowest viscosity. choose the substance with the lowest viscosity. f2chchf2 f2chch2f fch2ch2f f3cch
    5·2 answers
  • How much energy would need to be input to completely boil 17.3 moles of ice starting at 0 degrees * C and going to 100°C?
    6·1 answer
  • 1. Calculate the mass of 1.000 mole of CaCl2
    9·1 answer
  • .........................helpplsplspls.....................
    7·2 answers
  • Which best explains why the atomic theory is a scientific one?
    13·2 answers
  • Name three skills that you think you need to graduate from college, community college, or
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!