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
andre [41]
3 years ago
5

Why does copper give off blue light and lithium give off red light?

Chemistry
1 answer:
slava [35]3 years ago
5 0
Because each element has an exactly defined line emission spectrum, scientists are able to identify them by the color of flame they produce.
You might be interested in
Give the number of protons and neutrons in the nucleus of the following atoms
damaskus [11]

The number of protons and neutrons in the nucleus​ : 92 and 146

<h3>Further explanation</h3>

Given

Mass number = 238

Atomic number = 92

Required

Protons and neutrons

Solution

Mass number=number of protons + neutrons

Atomic number=number of protons=number of electrons

Atomic number = 92⇒number of protons=92

Number of neutrons = mass number - atomic number

Number of neutrons = 238 - 92 = 146

3 0
3 years ago
In the following diagram the counter clockwise torque is?
Alina [70]
80Nm I'm pretty sure this is the answer if I'm wrong I'm sorry but I'm positive it the answer
4 0
3 years ago
When a substance is heated ,the kinetic energy of its molecules
Simora [160]

Answer:

When a substance is heated ,the kinetic energy of its molecules also increase.

Explanation:

K.E is directly proportional to T

5 0
3 years ago
What is thermal equilibrium? equal temperature equal heat equal thermal energy equal conductivity
Margarita [4]

。☆✼★ ━━━━━━━━━━━━━━  ☾  

I believe the answer would be A. equal temperature

Have A Nice Day ❤    

Stay Brainly! ヅ    

- Ally ✧    

。☆✼★ ━━━━━━━━━━━━━━  ☾

6 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST!!!
Rus_ich [418]

Answer:

The answer is B

Explanation:

The answer is B because representative particles can only be atoms.

3 0
3 years ago
Other questions:
  • a sample of cesium metal reacted completely with water, evolving 48.1 ml of dry H2 at 19C and 768 mmHg. what is the equation for
    7·1 answer
  • The definition to reactivity with vinegar
    13·1 answer
  • What mass of carbon is present in 1.4*x10^20 molecules of sucrose?
    5·1 answer
  • Which of these performs the same function as the gasoline in a car
    15·2 answers
  • What was one of the first series of event in the study of chemistry
    8·1 answer
  • An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respective
    11·1 answer
  • What happens to the amount of energy in the air of ChristChurch and El nino years<br>​
    10·1 answer
  • If you had 14.5 moles of gold, how many atoms would you expect to have?
    7·1 answer
  • ASAP PLEASE HELP! how can you tell that the solution contains a weak acid?
    10·2 answers
  • Which best describes the energy conversion that happens when windmills are
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!