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
Katarina [22]
3 years ago
13

6. What is true about Calcium (Ca)?

Chemistry
1 answer:
sasho [114]3 years ago
8 0

Answer:

C. naturally uncombined with other elements.

Explanation: Calcium is a chemical element with the symbol Ca and atomic number 20. As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.

You might be interested in
How does a purebred individual differ from a hybrid individual?
zimovet [89]
Im gonna go based on the content of their blood. So as the generation continues, a purebred's blood has not differentiated too much and contains 98-100% of a "pure" bloodline meaning no outsiders of where this purebred originated has mixed. A hybrid is where the original bloodline is mixed with many others, so while a purebred has 99% of the original bloodline and the hybrid has 50% and he other half belongs to an entirely different line.
5 0
3 years ago
What is 450 g of flour a measure of?
Marat540 [252]
The right answer is D - mass.
3 0
3 years ago
Read 2 more answers
Ok so I have 3 beakers of clear liquid each holding a different substance, Water, Magnesium Sulphate and Sodium Carbonate how ca
nataly862011 [7]
For water you could add oil..ex: cooking oil separates form water because water is heavier than oil.

For Magnesium Sulfate you could add Sodium Carbonate..ex: Sodium Carb reacts to Mg Sulfate adding a darker hue to the liquid and adding a lot of bubbles.

For Sodium Carbonate you could add Sulfuric Acid..ex: Sulfuric Acid would add a reaction to the Sodium Carb that would resembling water boiling 

H0P3 It H3LPS :)
7 0
3 years ago
How many cm is 0.375 ft.​
ivann1987 [24]

Answer:

11.43 cm

Explanation:

8 0
3 years ago
Read 2 more answers
Explain why the amino group of p-aminobenzoic acid does not participate in the reaction
lubasha [3.4K]

This is because amino group of p-aminobenzoic acid is an aniline and is less electrophilic than an alkyl amine.

<h3>What is an Aniline?</h3>

This is an aromatic amine which consists of a phenyl group attached to an amino group.

The amino group of p-aminobenzoic acid being an aniline makes it less electrophilic which is why an alkyl amine participates in the reaction instead.

Read more about Aniline here brainly.com/question/9982058

5 0
2 years ago
Other questions:
  • Helium balloons stay the same size as you hold them, but swell and burst as they rise to high altitudes when you let them go. Wh
    9·1 answer
  • Which statement about proteins is true?
    6·2 answers
  • What was thompson working with when he discovered the cathode rays
    8·2 answers
  • Hydrogen gas has a density of 0.090 g/L, and at normal pressure and -1.72 °C one mole of it takes up 22.4 L.
    8·1 answer
  • Arjun conducted an experiment in the field related to the rate of percolation. He observed that it took 10 min for 200 mL of wat
    7·1 answer
  • Which substance can not be broken down by a chemical change?
    10·1 answer
  • What change in the system will increase the boiling point
    13·2 answers
  • What is the difference between speed and velocity?
    5·1 answer
  • A gas has a volume of 72.1 liters at 58.3 atm. The final volume is 101.0L, what is the new pressure?
    10·1 answer
  • Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!