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
erastova [34]
3 years ago
11

Which group of the priodic Table contains calcuim amd magnesium? Give reason for your answer.​

Chemistry
1 answer:
Lemur [1.5K]3 years ago
4 0

Answer:

Group 2

Explanation:

Group 2 on the periodic table contains Be(Beryllium), Mg(Magnesium), Ca(Calcium), Sr(Strontium), B(Barium), and Ra(Radium). All are Alkaline earth metals.

You might be interested in
a piece of candy is burned in a calorimeter raising up the tempature of 500g of water from 21 C to 25 C water has a specific hea
OverLord2011 [107]
   The energy  that was  released   by the candy  is calculates using the below formula
Q=Mc delta T

Q= heat energy
m= mass (500g)
C= specific heat  capacity) = 4.18 j/g/c
 delta t =change in temperature = 25- 21 = 4 c

Q=  500 g  x 4.18 j/g/c x 4c = 8360  j

3 0
2 years ago
Give the name (not formula) of the hydrocarbon
nordsb [41]

hydrocarbon is ethene which is used to test for saturation and it undergoes addition reaction

5 0
2 years ago
4. A sign in a town gives the speed limit at 50.00 km/hr. What is this speed in cm/sec?​
ivanzaharov [21]

sorry but if you are looking for an answer I don't know one. :(

3 0
2 years ago
Which two systems are represented in this model?
Mama L [17]

Answer:

I think it's c

Explanation:

4 0
3 years ago
Read 2 more answers
Describe the benefits and the drawback of natural gas.
Finger [1]

When looking to power your equipment or vehicle with natural gas, the first question that springs to mind is: what is natural gas? A lot of people use natural gas in their homes for cooking and heating, but they don’t really give it some thought. So, let’s see what natural gas is and how it’s different from other forms of fossil fuels like oil and coal.

Natural Gas is a fossil fuel that exist in a gaseous state and is composed mainly of methane (CH4) a small percentage of other hydrocarbons (e.g. ethane). The use of natural gas is becoming more and more popular as it can be used with commercial, industrial, electric power generation and residential applications.


5 0
2 years ago
Other questions:
  • A thermometer reads a temperature to be 38.0 °C. What is the temperature in
    10·1 answer
  • Referring back to question 6 above, in the TLC plate on the left the mobile solvent phase was ethyl acetate, in the plate on the
    14·1 answer
  • An ethylene glycol solution contains 21.4 g of ethylene glycol (C2H6O2) in 97.6 mL of water. (Assume a density of 1.00 g/mL for
    7·1 answer
  • This occurs when the cells in a multicellular organism have specific jobs
    6·2 answers
  • A sample of nitrogen gas is in a sealed container with a constant volume. Heat is added to the gas. The pressure ___
    11·1 answer
  • The atomic number of Arsenic (As) is 33 and the average atomic mass is 74.92 amu. A neutral arsenic atom will have protons
    6·1 answer
  • Why is more dew formed on a grass and not on polished metal surface​
    9·1 answer
  • Which process causes the greatest increase in the distance between particles?
    6·1 answer
  • Please answer ................
    14·1 answer
  • 2)a dish contains a blackish-yellow powder.when a magnet is moved over it black particles iron get stuck to the magnet and only
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!