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
ale4655 [162]
2 years ago
11

Explain why the nucleus of an atom is positively charged but the overall charge of an atom is neutral

Chemistry
1 answer:
gtnhenbr [62]2 years ago
8 0

Answer:

The nucleus is positively charged because it contains all of the protons however the charge of an atom is neutral because there is an equal amount of protons (positive) and electrons (negative) meaning the opposite charges cancel each other out therefore making the atoms overall charge neutral.

Explanation:

You might be interested in
When a hydrogen atom covalently bonds to another atom, how many electrons associated with this hydrogen atom become involved in
STatiana [176]

Explanation:

A covalent bond is defined as the occurrence of a bond due to the sharing of electrons between the combining atoms.

Atomic number of hydrogen atom is 1 and its electronic configuration is 1s^{2}. So, in order to complete its octet it needs to gain or mutually shares one electron.

A covalent bond is generally formed between non-metal atoms.

Thus, we can conclude that hydrogen has only one electron that will be involved in the formation of a covalent bond.

8 0
3 years ago
Pls help me 20 points ty
qaws [65]

Answer:

what do you need help with i cant see it

Explanation:

6 0
3 years ago
Read 2 more answers
A 151.5-g sample of a metal at 75.0°C is added to 151.5 g at 15.1°C. The temperature of the water rises to 18.7°C. Calculate the
Kryger [21]

Answer:

The specific heat capacity of the metal is 0.268 J/g°C

Explanation:

Step 1: Data given

Mass of the metal = 151.5 grams

The temperature of the metal = 75.0 °C

Temperature of water = 15.1 °C

The temperature of the water rises to 18.7°C.

The specific heat capacity of water is 4.18 J/°C*g

Step 2: Calculate the specific heat capacity of the metal

heat lost = heat gained

Q = m*c*ΔT

Qmetal = - Qwater

m(metal) * c(metal) * ΔT(metal) = m(water) * c(water) * ΔT(water)

⇒ mass of the metal = 151.5 grams

⇒ c(metal) = TO BE DETERMINED

⇒ΔT( metal) = T2 - T1 = 18.7 °C - 75.0 °C = -56.3 °C

⇒ mass of the water = 151.5 grams

⇒ c(water) = 4.184 J/g°C

⇒ ΔT(water) = 18.7° - 15.1 = 3.6 °C

151.5g * c(metal) * -56.3°C = 151.5g * 4.184 J/g°C * 3.6 °C

c(metal) = 0.268 J/g°C

The specific heat capacity of the metal is 0.268 J/g°C

5 0
3 years ago
How lead and iodine compound formed
ale4655 [162]
These are dissolved in water to form colourless solutions, and then mixed together. This mixing leads to a double displacement reaction, essentially resulting in the metals 'swapping' their places in the two compounds, producing lead (II) iodide, and potassium nitrate.
3 0
2 years ago
How many moles of water are produced when 3.0 moles of hydrogen gas react with 1.8 moles of oxygen gas?
swat32

Sorry for the late response but for this question, the answer is 3 moles of water.

8 0
3 years ago
Other questions:
  • What conditions are needed for heat to flow
    15·1 answer
  • You are on an island and need freshwater to drink. Which process could you
    11·1 answer
  • The temperature of an object is directly related to A. the volume of the object. B. the motion of its particles. C. the potentia
    8·2 answers
  • What cannot be changed by turning 100 grams of ice into water?
    11·1 answer
  • Solid zinc oxide (ZnO) is added to hydrochloric acid (HCl) to form zinc chloride (ZnCl2) in water (H2O). How many moles of zinc
    9·1 answer
  • How much heat must be removed from 357 g of water at 76.9C in order to cool it down to 18.1C?
    9·1 answer
  • A student would like to test the effect of eating a lot of candy on
    13·2 answers
  • Explain how to balance the chemical equation and classify its reaction type.
    8·2 answers
  • How do i determine the number of silicon atoms in the formula 4SiO2
    12·1 answer
  • Enough water was added to ten grams of sugar
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!