Chemical Structures This is a product of Mr Essex a member of the science department of Dartford Technology College.

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Presentation transcript:

Chemical Structures This is a product of Mr Essex a member of the science department of Dartford Technology College

Question 1 What type of bond shares electrons? Ionic bond Covalent bond Premium bond Basic bond

Question 2 Carbon can exist in two forms diamond and graphite these giant covalent structures are called? Alleles Alimony Allotropes Atlantis

Question 3 The most famous molecule of carbon has 60 atoms arranged in the shape of a hollow soccer ball, it is called? Car ball Carbon sphere Buck ball Ball 60

Question 4 In a covalent bond what are the intermolecular forces? Weak forces between molecules.Weak forces between molecules Strong forces between molecules.Strong forces between molecules Weak repulsion between molecules.Weak repulsion between molecules Strong repulsion between molecules.Strong repulsion between molecules

Question 5 What is atomic number of fluorine?

Question 6 What colour is chlorine gas? Red Blue Yellow Green

Question 7 What is the chemical symbol for Bromine? B Br Bo Be

Question 8 What do we call the hardest natural substance known to man and it is made of carbon? Tungsten carbide Sheffield steel Agate Diamond

Question 9 What do we call group seven of the periodic table? Alkali metals Rare Earth metals Halogens Nobel gases

Question 10 What do we call a harmless substance given to a group of patients during a drug trial? Replace Placebo Planet Substitute

Question 11 What word can we use in place of alternative medicine? Homozygous Homo sapiens Homeopathic Herbaceous

Question 12 Bacteria are killed by one of the following? Analgesics Antibiotics Antipyretics Antidotes

Question 13 Water contains how many atoms?

Question 14 Why are diamonds so hard ? The carbon atoms are held by four strong covalent bonds.The carbon atoms are held by four strong covalent bonds. The carbon atoms are held by four strong ionic bonds.The carbon atoms are held by four strong ionic bonds. The carbon atoms are held by four weak forces.The carbon atoms are held by four weak forces. The carbon atoms are very hard.The carbon atoms are very hard

Question 15 Fluorine and chlorine are both ? Gases Brown Solids Grey

Question 16 What is the atomic mass of Chlorine?

Question 17 What is the melting point of Fluorine? -220 o C-220 o C -10 o C-10 o C 10 o C10 o C 220 o C220 o C

Question 18 Which of the following elements has a melting point of 114 o C ? Fluorine Chlorine Bromine Iodine

Question 19 Which of the halogens has the atomic number 53 ? Fluorine Chlorine Bromine Iodine

Question 20 Iodine can change from a solid directly into a gas when heated we call this ? Sublimation Evaporation Condensation Solidification

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