lab questions ( chemistry ) Flashcards
1
Q
Protons have a ___ charge
A
Positive
2
Q
Neutrons have a ___ charge
A
Neutral / equal
3
Q
Electrons have a ___ charge
A
Negative
4
Q
True or false? All atoms have the same number or protons as electrons
A
True
5
Q
When a electron is shared it is called…
A
Covalent ( Co-sharing )
6
Q
When an electron is donated/borrowed it is called..
A
Ionic
7
Q
What are ions
A
Ions are an atom that has lost or gained an electron
8
Q
What charge will an atom that has gained an electron have?
A
A negative charge
9
Q
What charge will an atom that has lost an electron have?
A
A postitive charge
10
Q
Ions are also known as..
A
Electrolytes
11
Q
What is another name for Carbohydrates?
A
Saccharides
12
Q
Acids release..
A
H+
13
Q
Bases release…
A
OH-
14
Q
What does glucose do for the human body?
A
- It is the key source of energy
- It is the easiest and quickest to break down and use as energy
- It is vital for the brain as it fuels it
