Grade 11 Chemistry (Nelson Textbook:
Chapters 1-3) Exam with Verified
Detailed Answers
Who found the electron? -
correct answer ✅Thomson
What did Rutherford discover? -
correct answer ✅protons
Who found the neutron? -
correct answer ✅Chadwick
What did Bohr do? -
correct answer ✅a lot of things :skull: like experimented by
applying electricity to hydrogen gas and emit subtle light, had the
idea that electrons orbit the nucleus,
What do Bohr diagrams show? -
correct answer ✅a nucleus, number of protons and neutrons, the
electrons all placed in their rightful orbitals.
Atoms are electrically ______ -
correct answer ✅neutral
, Grade 11 Chemistry (Nelson Textbook:
Chapters 1-3) Exam with Verified
Detailed Answers
The atomic number also must represent the ______ -
correct answer ✅number of electrons present in an atom.
What does the octet rule state? -
correct answer ✅also a lot of things :skull: like when atoms have a
full valence shell they are stable, a full valence shell would have 8
electrons, you can create stable valence orbits by gaining or losing
electrons.
Ions that have eight valence electrons have a -
correct answer ✅stable octet
What happens to an atom when it gains or loses electrons? -
correct answer ✅it either becomes positively or negativley
charged.
cations are ______ -
correct answer ✅positively charged ions
anions are ______ -
correct answer ✅negatively charged ions
Chapters 1-3) Exam with Verified
Detailed Answers
Who found the electron? -
correct answer ✅Thomson
What did Rutherford discover? -
correct answer ✅protons
Who found the neutron? -
correct answer ✅Chadwick
What did Bohr do? -
correct answer ✅a lot of things :skull: like experimented by
applying electricity to hydrogen gas and emit subtle light, had the
idea that electrons orbit the nucleus,
What do Bohr diagrams show? -
correct answer ✅a nucleus, number of protons and neutrons, the
electrons all placed in their rightful orbitals.
Atoms are electrically ______ -
correct answer ✅neutral
, Grade 11 Chemistry (Nelson Textbook:
Chapters 1-3) Exam with Verified
Detailed Answers
The atomic number also must represent the ______ -
correct answer ✅number of electrons present in an atom.
What does the octet rule state? -
correct answer ✅also a lot of things :skull: like when atoms have a
full valence shell they are stable, a full valence shell would have 8
electrons, you can create stable valence orbits by gaining or losing
electrons.
Ions that have eight valence electrons have a -
correct answer ✅stable octet
What happens to an atom when it gains or loses electrons? -
correct answer ✅it either becomes positively or negativley
charged.
cations are ______ -
correct answer ✅positively charged ions
anions are ______ -
correct answer ✅negatively charged ions
