Atoms-Study Guide1.0 Flashcards
Where are the protons located in an atom?
In the nucleus
Where are the neutrons located in an atom?
In the nucleus
Where are the electrons located in an atom?
Outside of the nucleus
Protons have a ….
positive charge
Neutrons have a …
neutral charge
Electrons have a …
negative charge
To find the atomic mass(weight), you need to add together which two subatomic particles?
protons & neutrons
If Neon has an atomic number of 10 and an atomic mass of 20, how many neutrons does it have?
10
If Sodium has 11 protons and 12 neutrons, what is the atomic mass?
23
If Chlorine is atomic number 17, how many protons should it have?
17
What is the maximum amount of electrons the first energy shell can hold?
2
What is the maximum amount of electrons the second energy shell can hold?
Eight
The molecule H₂0 has how many atoms?
3
This cannot be broken down. It has its own unique characteristics.
Element
How many Hydrogen atoms are in C₆H₁₂O₆ ?
12
This particles makes up everything! It is the smallest particle of a substance that still has the properties of that substance.
Atom
The chemical symbol for Hydrogen is …
H
The chemical symbol for Iron is…
Fe
The chemical symbol for Carbon is…
C
The chemical symbol for Boron is…
B
Carbon has the atomic number…
6
Oxygen has the atomic number…
8
Helium has the atomic number…
2
Beryllium has atomic number….
4
Which element do we have the most of in Earth’s crust?
Oxygen
Which element makes up 65% of the human body?
Oxygen
Hydrogen and Oxygen bond together to form a …
Compound
The chemical symbol for Nitrogen is…
N
This group of elements does not bond with any other elements!
Noble Gases
This group of elements literally means “salt former” because they bond with alkali metals to form salts!
Halogens
This group of elements contains properties of metals and non-metals.
Metalloids
Sodium (Na) is an example of a…
alkali metal
Chlorine (Cl) is an example of a…
Halogen
Oxygen (O) is an example of a…
Non-metal
Potassium (K) is an example of a…
Alkali metal
