Molten or dissolved sodium chloride conducts electricity. The current is carried in the melt by? [cb-28]
ions
metal atoms
molecules
electrons
Sodium chloride has a high melting point because it has? [cb-29]
a giant covalent 3-dimentional structure
many ions strongly attracted together
molecules packed tightly together
strong covalent double bonds
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-30]
conduct electricity when molten
conduct electricity when solid
have a low melting point
consist of small NaCl molecules
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-31]
not conduct electricity when molten
conduct electricity when dissolved in water
have a low melting point
consist of small NaCl molecules
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-32]
not conduct electricity when molten
not conduct electricity when dissolved in water
have a high melting point
consist of small NaCl molecules
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-33]
conduct electricity when solid
not conduct electricity when dissolved in water
have a low melting point
consist of charged particles
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-34]
not conduct electricity when solid
not conduct electricity when dissolved in water
have a low melting point
consist of NaCl molecules
Sodium chloride is a typical ionic compound formed by combining a metal with a non-metal. Sodium chloride will? [cb-35]
conduct electricity when solid
will dissolved in water
have a low melting point
consist of NaCl molecules
A substance has a giant covalent structure and has a high melting point. The substance could be [cb-36]
aluminium
copper
poly(ethene)
carbon (diamond)
Sulphur is a solid non-metallic element at room temperature, so it is? [cb-41]
a brittle substance
a good conductor of electricity
a good conductor of heat
a substance with a high melting point
Sulphur is a solid non-metallic element at room temperature, so it is? [cb-42]
easily bent into shape
a poor conductor of electricity
a good conductor of heat
a substance with a high melting point
Sulphur is a solid non-metallic element at room temperature, so it is? [cb-43]
easily bent into shape
a good conductor of electricity
a poor conductor of heat
a substance with a high melting point
Sulphur is a solid non-metallic element at room temperature, so it is? [cb-44]
easily bent into shape
a good conductor of electricity
a good conductor of heat
a substance with a low melting point
Copper is a metallic element so it is likely to be a? [cb-45]
substance with a high melting point
poor conductor of electricity
substance with a low boiling point
poor conductor of heat
Copper is a metallic element so it is likely to be a? [cb-46]
substance with a low melting point
good conductor of electricity
substance with a low boiling point
poor conductor of heat
Copper is a metallic element so it is likely to be a? [cb-47]
substance with a low melting point
poor conductor of electricity
substance with a high boiling point
poor conductor of heat
Copper is a metallic element so it is likely to be a? [cb-48]
substance with a low melting point
poor conductor of electricity
substance with a low boiling point
good conductor of heat
Copper is a metallic element so it is likely to be a? [cb-49]
substance with a low melting point
poor conductor of electricity
substance with a shiny surface
poor conductor of heat
Copper is a metallic element so it is likely to be a? [cb-50]
substance with a low melting point
poor conductor of electricity
substance easily hammered into shape
poor conductor of heat
Aluminium fluoride is an ionic compound. When this compound is formed from aluminium and fluorine? [cb-53]
electrons are shared
electrons are transferred
protons are shared
protons are transferred
Water is a covalent compound. When this compound is formed from hydrogen and oxygen? [cb-54]
electrons are shared
electrons are transferred
protons are shared
protons are transferred
From four substances described below, which is most likely to be an ionic compound? [cb-55]
melting point 20oC, molten substance doesn't conduct electricity
melting point 150oC, molten substance doesn't conduct electricity
melting point 800oC, molten substance readily conducts electricity
melting point 1500oC, molten substance is a poor electrical conductor
From four substances described below, which is most likely to consist of small molecules? [cb-56]
melting point 20oC, molten substance doesn't conduct electricity
melting point 1150oC, molten substance conducts electricity
melting point 480oC, molten substance readily conducts electricity
melting point 1500oC, molten substance is a poor electrical conductor
From four substances described below, which is most likely to consist of a giant covalent structure? [cb-57]
melting point 20oC, molten substance doesn't conduct electricity
melting point 1150oC, molten substance readily conducts electricity
melting point 480oC, molten substance readily conducts electricity
melting point 1500oC, molten substance is poor electrical conductor
Fluorine (F) has an atomic number of 9. Which represents the electron arrangement of the fluoride ion (F-)? [cb-58]
Explaining importance of foundation tier
questions on structure & bonding
in GCSE level chemistry, What you need to know about foundation tier
questions on structure & bonding for
GCSE level
chemistry,
Explaining use of foundation tier questions on structure & bonding knowledge in GCSE level chemistry, Examples of
foundation tier questions on structure & bonding
explained when studying GCSE level chemistry, What is the significance
of foundation tier questions on structure & bonding in GCSE level chemistry, describing
explaining theory of foundation tier questions on structure & bonding when studying GCSE level chemistry, exam revision
notes for foundation tier questions on structure & bonding, online help for understanding
foundation tier questions on structure & bonding in GCSE
chemistry, what do I need to learn about foundation tier questions on
structure & bonding? what do I need to know
about foundation tier questions on structure & bonding for GCSE chemistry exams, how to prepare for questions on
foundation tier questions on structure & bonding in GCSE
chemistry examination? foundation tier questions on structure & bonding for syllabus-specifications
for students taking the IGCSE/GCSE level chemistry examinations, summary
revision notes key points on foundation tier questions on structure &
bonding for students studying AQA
igcse/gcse chemistry notes on foundation tier questions on structure & bonding, Edexcel gcse
chemistry notes on foundation tier questions on structure & bonding, OCR 21st century GCSE
chemistry notes on foundation tier questions on structure & bonding, OCR gateway
GCSE chemistry notes on foundation tier questions on structure &
bonding, WJEC gcse chemistry notes on foundation tier questions on
structure & bonding, CCEA
gcse chemistry notes on foundation tier questions on structure & bonding, CIE Cambridge igcse
chemistry, notes on
foundation tier questions on structure & bonding useful for US grade 9-10 chemistry student courses