Chemistry Flashcards
Amino acids that create proteins are linked together end to end by
Peptide bonds
Atoms that different from a(n)
Compound
All matter that is not alive, has never been alive and doesn’t contain carbon, such as rocks, water and minerals falls within the study of
Inorganic matter
All matter that is now alive, or was alive at one time, with carbon present, falls within the scientific division of
Organic chemistry
Atoms that are the same form a(n)
Element
Basic substances that cannot be broken down into simpler substances are called
Elements
Carbon, nitrogen, oxygen and hydrogen form the basis of
Amino acids
Hair consists of 97%
Keratin
Matter with definite weight and volume but no definite shape is called
Liquid
Matter with definite weight but indefinite volume and shape is called
Gas
Matter with definite weight, volume and shape is known as
Solid
Neutrons has which type of electrical change
Neutrons have no electrical charge
Protons have which type of electrical charge?
Positive
The atomic number of a particular element indicates
The number of protons in a single atom
The scientific study of matter and the physical and chemical changes of matter is known as
Chemistry