Exam (elaborations)
INTRO INTO CHEMISTRY QUESTIONS WITH ACCURATE ANSWERS
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INTRO INTO CHEMISTRY QUESTIONS WITH ACCURATE ANSWERS
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INTRO INTO CHEMISTRY QUESTIONS WITH ACCURATEANSWERS
What subatomic particles make up the nucleus of an atom? Accurate
Answer - tightly packed protons and neutrons
What is the smallest particle into which an element can be divided and still
have the properties of that element? Accurate Answer - atom
What subatomic particle is in the nucleus and has NO charge? Accurate
Answer - neutron
What subatomic particle is in the nucleus and is positively charged?
Accurate Answer - proton
What particle moves around the nucleus of the atom? Accurate Answer
- electron
What subatomic particles make up the mass of an atom? Accurate
Answer - neutrons and protons
What is an element's atomic number equal to? Accurate Answer -
Protons and Electrons
What is an atom's mass number equal to? Accurate Answer - Protons
plus neutrons
If an isotope of Sodium, Sodium-23, has 11 protons. How many electrons does
Sodium-23 have? Accurate Answer - 11
What is the name for elements in the vertical column that have similar
properties on the periodic table? Accurate Answer - family/groups
What are atoms of the same element with different numbers of neutrons
called? Accurate Answer - isotopes
What are elements in the horizontal rows of the periodic table called?
Accurate Answer - periods
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