Chemistry: Atomic Number, Subatomic Particles, and Chemical Symbols

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the atomic number of carbon?

7
6 (correct)
5
8

What is the chemical symbol for gold?

Au (correct)
Ag
Pt
Gd

Explain the composition of natural gas.

Natural gas is mainly composed of methane, but may also contain small amounts of other hydrocarbons, carbon dioxide, nitrogen, and hydrogen sulfide.

What is the main component of natural gas?

Methane (C) Signup and view all the answers

Which subatomic particle has a negative charge?

Electron (B) Signup and view all the answers

Provide the chemical symbol for gold and its atomic number.

The chemical symbol for gold is Au, and its atomic number is 79. Signup and view all the answers

Describe the properties of the subatomic particle with a negative charge.

The subatomic particle with a negative charge is the electron. It is extremely small, has a negligible mass, and orbits the nucleus of an atom. Signup and view all the answers

Explain the significance of the atomic number of carbon.

The atomic number of carbon is 6, which indicates the number of protons in the nucleus of a carbon atom. This number also determines its unique chemical properties and its position in the periodic table. Signup and view all the answers

Flashcards are hidden until you start studying

Study Notes

### Carbon

The atomic number of carbon is 6

Gold

The chemical symbol for gold is Au

Natural Gas

Natural gas is a fossil fuel that forms over millions of years
Primarily composed of methane
Other gases include ethane, propane, butane, and pentane
Natural gas is a clean-burning fuel that is an important source of energy

Methane

The main component of natural gas is methane (CH4)

Electrons

The subatomic particle with a negative charge is the electron

Gold's Properties

The chemical symbol for gold is Au
The atomic number for gold is 79

Electron Properties

Electrons are negatively charged subatomic particles found orbiting the nucleus of an atom
They are responsible for chemical bonding and electrical conductivity

Carbon's Significance

The atomic number of carbon determines its chemical properties, making it the basis for all organic life
Carbon atoms can bond with each other and other elements to form a wide variety of molecules which are essential for life on Earth