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
sasho [114]
3 years ago
6

Can an ion be either positive or negative? True or False

Chemistry
1 answer:
vekshin13 years ago
3 0

Answer:

True

Explanation:

You might be interested in
PLEASE HELP ASAP I'M SO STRESSED
bazaltina [42]

Answer:

160.3g

Explanation:

We know the equation:

No of moles = mass ÷ Mass of element

We need to find the mass, so make mass the subject of the formula.

Mass = No. of moles × mass of element

Mass = 5 × 32.06

Mass = 160.3g

4 0
2 years ago
These four ELEMENTS were found in early earth and they make up all living things.
VladimirAG [237]

Answer: True

Air is a mixture of many things; it's not just Oxygen, but Hydrogen, Carbon, and Nitrogen as well are made up of air. Fun fact: Nitrogen is actually more abundant in air

6 0
3 years ago
Read 2 more answers
Describe two physical and two chemical changes involved in cooking. (4 points)
Ivenika [448]
Physical changes are when things get changed without altering chemical consistencies, which is melting solid butter into liquid one, or boiling water. Chemical changes are things such as caramelizing sugar when making sweets, or when carbon dioxide is created and released when baking bread.
7 0
3 years ago
3 Apply Use context clues to write your own definitions for the words definite and occupy.
motikmotik

Answer:

Explanation:

own definitions for the words definite and occupy.

Example sentence

Solid is the state of matter that has a definite shape and volume.

definite:

__________

Example sentence

A larger container will allow a gas to occupy more space.

occupy:

3 0
1 year ago
What is the mass of 5.119 102 molecules of copper sulfate<br> (CuSO4)?
Amiraneli [1.4K]

Answer:

Mass = 135.66 ×10⁻²¹ g

Explanation:

Given data:

Number of molecules of CuSO₄= 5.119×10²

Mass of CuSO₄= ?

Solution:

The given problem will solve by using Avogadro number.

1 mole contain 6.022×10²³ molecules

5.119×10² molecules ×1 mol / 6.022×10²³ molecules

0.85×10⁻²¹ mol

Mass in grams:

Mass = number of moles × molar mass

Mass = 0.85×10⁻²¹ mol × 159.6 g/mol

Mass = 135.66 ×10⁻²¹ g

7 0
3 years ago
Other questions:
  • What's the ratio of atoms of each element in the compound ammonium monohydrogen phosphate (NH4)2HPO4?
    11·1 answer
  • what is weather? What are some terms we use to describe weather? What affects the weather in a particular place over time?
    13·2 answers
  • A small 23 kilogram canoe is floating downriver at a speed of 3 m/s. What is the canoe's kinetic energy?
    15·1 answer
  • Atoms have a blank shape. the blank of an atom is made up of
    13·2 answers
  • Dalam kajian geografi, cara pandang dan cara pikir terhadap objek material dari sudut geografi disebut objek
    6·1 answer
  • How many moles of neon (Ne) gas have a volume of 4.5L and a pressure of 2.1 atm at 302 K
    15·1 answer
  • If a light bulb has a voltage of 1.5 V and has 2.5A of current running through it, what is the resistance of the light bulb?
    6·1 answer
  • 3.How are climate and weather different?
    6·2 answers
  • Why does nonmetallic elements pull elements from metallic elements so effectively during a reaction?
    13·1 answer
  • How many grams of hno3 would you need to prepare 5.5 l of this solution
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!