C3H603 is the chemical formula for _____ a) Ascorbic Acid b) Lactic Acid c) Tartaric Acid d) ...
View QuestionAtoms of the same element or of different elements combine into larger units which are called ______
a) Atom b) Molecule c) Ion d) Element Answer: b Explanation: A molecule represents the smallest ...
View QuestionWhat are positively charged Ions in a solution called?
a) Cation b) Anion c) Atom d) Element Answer: a Explanation: Cation is a positively charged ion. ...
View QuestionThe smallest part of an element that cannot exist as a free state is __________
a) Ion b) Charge c) Atom d) Molecule Answer: a Explanation: Ion is the smallest part ...
View QuestionThe charge on neutron is ______
a) Positive b) Negative c) Neutral d) Both positive and Negative Answer: c Explanation: Neutron is neutral, ...
View QuestionThe charge on Electron is _______
a) Positive b) Negative c) Neutral d) Both positive and Negative Answer: b Explanation: Electron is negatively ...
View QuestionThe charge on a proton is _____
a) Positive b) Negative c) Neutral d) Both positive and Negative Answer: a Explanation: Proton is a ...
View QuestionWhat constitutes the nucleus of the atom?
a) Electron b) Proton c) Neutron d) Proton and neutron Answer: d Explanation: ...
View QuestionApproximately how many elements are known to us?
a) 20 b) 30 c) More than 100 d) 50 Answer: c Explanation: We know the existence ...
View QuestionA Substance in which all the atoms are of the same kind is called ______
a) Blocks b) Pyramid c) Element d) Atom Answer: c Explanation: Chemical substance interconvert able or broken ...
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