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
PIT_PIT [208]
3 years ago
14

Which is an alkaline earth metal?

Chemistry
2 answers:
Hitman42 [59]3 years ago
7 0

Answer:

actually there are 6 of them

Explanation:

heres the list:

They are beryllium, magnesium, calcium, strontium, barium, and radium.

hope it helpssss :)

mina [271]3 years ago
7 0

Answer/Explanation:

Alkaline earth metals are similar to Alkali Metals, but they tend to to be harder, denser, and less reactive. However it is too reactive to be found in nature. It is commonly found in batteries, fireworks, flashlights, and cameras. It has Valence Electrons of 2 and the elements in this category are:

  1. Beryllium Be
  2. Magnesium Mg
  3. Calcium Ca
  4. Strontium Sr
  5. Barium Ba
  6. Radium Ra
You might be interested in
Evaluate the lack of cuticle in moss plants.
irina [24]
Most of the moss leaves lack Lignified cuticle, which is a subject of the drying out
4 0
3 years ago
If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature? (2005 K)
jolli1 [7]

Answer:

205K

Explanation:

The following were obtained from the question:

n = 4moles

P = 5.6atm

V = 12L

R = 0.082atm.L/Kmol

T =?

PV = nRT

T = PV/nR

T = (5.6 x 12)/ (4 x 0.082)

T = 205K

8 0
3 years ago
What is the rule for determining the mass of an atom
Elena-2011 [213]

Answer:

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit. By adding together the number of protons and neutrons and multiplying by 1, you can calculate the mass of the atom.

5 0
3 years ago
Which of the following is a mixture steel water oxygen or gold
MAXImum [283]
Steel is an alloy and consists of more than one element (mainly iron and carbon), therefore steel is a mixture.
7 0
3 years ago
The strength of an acid is affected by the polarity of the bond connected to the acidic hydrogen. The more highly polarized this
Shtirlitz [24]

Answer:

The answer is "\bold{HClO_3 > HClO_2 >HClO > HBrO}"

Explanation:

We arrange oxoacids to decrease the intensity of acids in this question. Or we may conclude all this from strongest to weakest acids they order oxoacids, that's why above given order is correct.

5 0
3 years ago
Other questions:
  • 3. How does a carbon-14 atom change back into a nitrogen atom?
    11·2 answers
  • Why is it colder in polar regions?
    6·2 answers
  • How do you find liquid volume?
    14·1 answer
  • Using charge to describe an atom
    10·1 answer
  • The half-life of potassium-40 is 1.3 billion years. If a rock that formed 2.6 billion years ago originally contained 5 grams of
    12·1 answer
  • (HELP FAST )What occurs when a pure liquid substance is cooled?
    6·2 answers
  • Why are tables and graphs useful for organizing scientific data?
    12·1 answer
  • 14. As the temperature of a gas in a closed container increasses, what is true of the particles in the substance? (2 points)
    11·1 answer
  • A vessel of 356 cm3 capacity contains oxygen at a pressure of 760 mmHg and temperature of 15 oC. Assuming that the volume remain
    9·1 answer
  • Write correctly a balanced equation for the following "word" equation: Red lead → lead monoxide + oxygen​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!