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
Monica [59]
3 years ago
5

Why isn't there a lunar eclipse every time Earth is in between the sun and the Moon?

Chemistry
1 answer:
DerKrebs [107]3 years ago
8 0
Because the Earth's orbit around the sun is not in the same plane as the Moon's orbit around the Earth.
You might be interested in
In a boys hostel, 1206 eggs were bought for breakfast for the students. How many moles of eggs does this represent?
Evgen [1.6K]

Answer:

6.022×1023

Here, it has been asked how many eggs are in one mole of eggs. The eggs represent the unit which can be atom, ion or molecule. So by the definition of mole, 6.022×1023number of eggs are present in one mole of eggs.

8 0
2 years ago
In an investigation, explain the best way to use variables in an experiment
vazorg [7]

Answer:

An experiment is an investigation in which a hypothesis is scientifically tested. In an experiment, an independent variable (the cause) is manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. An advantage is that experiments should be objective.

Explanation:

6 0
2 years ago
Match the element with its description. Match Term Definition Sodium A) Has properties of both metals and nonmetals Silicon B) H
Novosadov [1.4K]

Answer:

Sodium - malleable, soft, and shiny

Silicon - has properties of both metals and nonmetals

Bromine - highly reactive gas

Argon - non-reactive gas

Explanation:

Sodium is an alkaline metal. Just like other alkaline metals, it's malleable, soft, and shiny.

Silicon is a metalloid. Metalloids are elements that have properties of both metals and nonmetals.

Bromine a highly reactive chemical element. It is a fuming red-brown liquid at room temperature that evaporates to form a similarly coloured gas.

Argon is a noble gas. Just like other noble gases, it's non-reactive.

8 0
3 years ago
Sodium oxide contains Na+ ions and O2- ions.<br> Give the formula of sodium oxide
mixer [17]
To be honest, I learned this in school so I'll tell you XD

The formula of sodium oxide is Na2O
8 0
3 years ago
A neutral atom posseses an atomic number of 15 and an atomic mass of 31 3 electrons are gained
kodGreya [7K]

Answer:I believe the correct answer from the choices listed above is option D. A

Explanation:neutral atom possesses an atomic number of 15 and an atomic mass of 31.Three electrons are gained. This conversion results to a negatively charged ion.

8 0
3 years ago
Other questions:
  • Which of the following is the correctly balanced equation for the reaction of a Ca(OH)2 and HNO3
    7·1 answer
  • An element that is malleable is _____. difficult to pour easily shaped very hard very dense
    8·1 answer
  • Which phase(s) would experience a decrease in the rate of dissolution with an increase in temperature?
    11·2 answers
  • Apple trees reproduce naturally by sexual reproduction. How does this explain why there are many types of Apple's? Be sure to me
    14·1 answer
  • What is earths surface made of?
    13·2 answers
  • Check wether all the answers are correct or not. please?​
    14·2 answers
  • PLS HELP ASAP! I WILL GIVE BRAINLIEST!! Which of the following explains the conservation of mass during cellular respiration? (4
    9·1 answer
  • Which of these best explains why the sun appears to move across the sky each day?
    10·2 answers
  • What are ways in controlling soil applicable in your community​
    13·1 answer
  • A sample of X is carefully weighed and put inside a sealed calorimeter. The calorimeter is heated electrically, and the amount o
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!