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
valentina_108 [34]
3 years ago
12

Why is helium heavier than hydrogen​

Chemistry
2 answers:
Kaylis [27]3 years ago
7 0
Helium has more protons making it heavier by one atomic mass.
Alexxandr [17]3 years ago
5 0

Answer:

because it's has an additional electron. hydrogen is just made up of one proton

You might be interested in
3. In the picture, a girl with a weight of 540 N is balancing on
svet-max [94.6K]

Answer:

340 N

Explanation:

<u>Force formula</u>

The force formula is defined by Newton's second law of motion: Force exerted by an object equals mass times acceleration of that object: F = m ⨉ a. To use this formula, you need to use SI units: Newtons for force, kilograms for mass, and meters per second squared for acceleration.

<u>Equilibrium</u>

It is a state of rest or balance due to the equal action of opposing forces. equal balance between any powers, influences, etc.; equality of effect. mental or emotional balance; equanimity: The pressures of the situation caused her to lose her equilibrium.<u> </u>

6 0
3 years ago
When Silver (Ag) forms a metallic bond with other Silver atoms, what do the valence electrons move into? A. the all go to the sa
Korolek [52]

Answer:

D. the sea of electrons

Explanation:

Metallic bonds are defined as the bonds formed between two or more metals. Silver atom form metallic bond with other silver atoms.

In metallic bond, the free electrons or valence electrons present in s and p orbitals delocalize. The valence electrons do not move around the atoms or enter the atoms whereas they form a sea of electrons in which they surround the nuclei (positively charged) of the metal ions interacting. The valence electrons are then freely move in the space between the atomic nuclei.

Hence, the correct answer is "D. the sea of electrons".

7 0
4 years ago
How does water heat earth
vovikov84 [41]
The answer is the 3rd one down I think
6 0
4 years ago
What is this?(−2h+9)(9h−2)=
OLga [1]
The answer you're looking for is "-18h^2 + 85h - 18".

This can be found by distributing "9h" into "(-2h + 9). This should give you "-18h^2 + 81h". Then youd distribute "-2" into the same parenthesis, which will give you "4h - 18".

Together, you would have "-18h^2 + 81h + 4h - 18". Combine like terms (81h and 4h), and you'll get the answer of "-18h^2 + 85h - 18".

I hope this helps!!
5 0
3 years ago
In the compound MgCl2MgCl2, the subscript 2 indicates that
MatroZZZ [7]

 The subscript 2  indicate that  there are two atoms of chlorine  in the compound.

<u><em> Explanation</em></u>

 Subscript in the chemical formula indicate  the number of atoms  of the element immediately  before the subscript.

In MgCl₂  there are two(2)  atoms of chlorine  since Subscript 2 is immediately  after chlorine.

3 0
3 years ago
Other questions:
  • Stored energy due to position is know as blank energy
    13·1 answer
  • Which scientist established the law of octaves ?
    15·2 answers
  • Both Jacques Charles and Joseph Louis Guy-Lussac were avid balloonists. In his original flight in 1783, Jacques Charles used a b
    7·1 answer
  • What is the name of the following ionic compound?: MoAs
    9·1 answer
  • A client comes to the emergency department with status asthmaticus. The client's respiratory rate is 48 breaths/minute, and the
    11·1 answer
  • Sulfur dioxide So2 is present in our atmosphere and is used as a preservative in foods. Is it possible to use the common charges
    7·1 answer
  • Research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy sourc
    7·2 answers
  • HELP ME pls it’s in the picture below
    7·2 answers
  • Is glucose a element or compound
    9·2 answers
  • What is the volume of an object that has Mass=100g and Density= 745g/mL. Give your answer to 4 sig figs
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!