This particle has a positive charge:
This element has an atomic number of 2:
Helium
How many electrons does Hydrogen have in its valence shell?
1
Krypton: metal or non-metal?
What are the four major chemical compounds in the human body?
carbohydrates, lipids, proteins, nucleic acids
Which of the 3 subatomic particles has a negative charge?
electrons
What is Neon's atomic number?
ten
How many electrons does Carbon have in its valence shell?
4
Beryllium: metal or non-metal?
metal
What is the name for an energy-rich molecule made of only carbon, hydrogen, and oxygen?
carbohydrates
What is used to represent the charge of neutrons?
0 (zero)
How many electrons can be found in an atom of Magnesium?
12
How many electrons does Argon have in its valence shell and will this atom bond with another atom?
8 and no, it is stable.
Sodium: metal or non-metal?
metal
This type of weak bond is present in all 4 major chemical compounds.
hydrogen bond
Where are electrons found in an atom?
What is Aluminum's atomic mass?
26.... or 27
How many electrons does Phosphorus have in its valence shell and will it react or bond with another atom?
5 and yes, it will bond/react with another atom
non-metal
What is the difference between organic and inorganic chemistry?
Organic means that something is carbon-based, while the other substances do not have carbon
Where are protons and neutrons found in an atom?
nucleus
What is Sodium's number of protons, neutrons, and electrons?
11, 11, and 12, respectively.
What is the special name given to the group of elements that are stable and will not bond with other atoms?
The Noble Gases
What is the term for an element with properties of both a metal and non-metal?
metalloid
cohesion