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
elixir [45]
4 years ago
15

1) When elements combine to form compounds:

Chemistry
1 answer:
vodomira [7]4 years ago
6 0

Answer:

B

Explanation:

when elements reacts to form a compound the elements properties changes completely. This happens due to the fact that a chemical reaction has taken place. In a chemical change new substances are formed and the properties of the products differ entirely from that of the reactant.

for example if hydrogen combines with oxygen to form water, the property of hydrogen differs from oxygen and also both differs chemically when compared to water.

You might be interested in
You find a compound composed only of element "X" and hydrogen, and know that it is 91.26% element X by mass. Each molecule has 2
worty [1.4K]
Since you know the ratio of atoms, you can start to put a formula togeter. The formula might look like:<span>
X<span>H2.67 
</span></span>but since atoms can't come in fractional amounts, we have to multiply the formula by some number in order to turn 2.67 into a whole #, while still maintaining the ratio. Multiplying 2.67 by 3 yields 8, so the most likely ratio in the molecule is

X3H8<span>so the ratio of 1:2.67 is still maintained. The mass percent tells you that out of every 100g of compound, 91.26g is element X, so the other 8.74g must be H. Dividing each mass by the number of moles in the formula gets us the molar mass of each element (approximately). DIviding 8.74g by 8 gets 1.09, roughly the molar mass of hydrogen. Dividing 91.26g by 3 gets us 30.4, roughly the molar mass of phosphorus. Element X is most likely phosphorus</span>
4 0
3 years ago
Read 2 more answers
What answer giving brainliest tysm
monitta

Answer:

a

Explanation:

it is repeating

3 0
3 years ago
An example of a physical property of an element is the element's ability to
FromTheMoon [43]

Answer:

dissolve

Explanation:

When it dissolves , no chemicals are formed and it is considered as a physical property.

4 0
3 years ago
Read 2 more answers
a. Order the following liquids in order from least dense to most dense: Dish Soap, Rubbing Alcohol, Milk, Corn Syrup.
Anettt [7]

dish Soap,Corn Syrup,Rubbing Alcohol, Milk,

7 0
2 years ago
Household items that are substances
Yuri [45]

Answer:

water,salt are the house hold items

4 0
4 years ago
Other questions:
  • The rate for a reaction between reactants l, m, and n is proportional to the cube of [l] and the square of [m]. what is the rate
    7·1 answer
  • A bowling ball has a mass of 6 kg. What happens to its momentum when its speed increases from 2m/s to 4 m/s?
    13·1 answer
  • Consider the reaction below. 2C6H14 + 19O2 Right arrow. 12CO2 + 14H2O How many moles of hexane (C6H14) must burn to form 18.4 mo
    12·2 answers
  • This electron cloud model of aluminum has _______ energy levels with _______ electrons on its outer energy level. A) 1, 2 B) 2,
    9·1 answer
  • The continuous release of nuclear energy caused when on fission reaction triggers more nuclear reactions is a _
    8·1 answer
  • A sample of an ideal gas has a mass of 0.311 grams. its volume is 0.225 l at a temperature of 55oc and a pressure of 1.166 atm.
    7·2 answers
  • Given this balanced equation: CS2 + 3 O2 CO2 + 2 SO2
    13·1 answer
  • Give the RNA complementary strands of the original strands listed below:
    9·1 answer
  • A 13 letter word for a region around the nucleus of an atom whose electrons are likely to be found?
    9·1 answer
  • True or false: chemical reactions are usually written left to right
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!