Question

34) Which type of covalent bond is the strongest? A) double B) all covalent bonds are equal in strength C) single D) triple 34) 35) Halogens ae salt formers and can be found in group A) 17 B) 1 C) 2 35). D) 18 36) Anything that has mass and takes up space is defined as A) properties B) atoms C) molecules D) matter 37) The are A) 92 naturally occurring elements. B) 33 C) 18 D) 1 38) 38) Which substances are on the basic side of the pH scale? A) tomatoes, oven cleaner & human blood B) beer, vinegar & black coffee C) baking soda, oven cleaner & urine D) baking soda, oven cleaner & human blood 39) Which one is NOT one of the properties of water? A) water is a solvent B) the frozen form is more dense than the liquid form C) water has a high heat capacity D) the frozen form is less dense than the liquid form 40) An element and its atoms do not share the same name. A) True B) False 41) If an element contains 8 electrons how many electrons will be placed in the 2nd valence shell? A) 6 B) 8 C) 11 D) 2 42) As a solid, water floats. This means that A) solid water is less dense than liquid water. B) organisms in ponds, lakes, and reservoirs can survive under the ice cover. C) this is due to hydrogen bonding changes. D) All of the choices are correct. 43) Atoms have three A) atomic particles. B) molecular C) subatomic D) defined

Answer 1

34. correct option is :- D :- triple is stronger than double and single bond

35. correct option is : A:- halogens are found in group 17

36. correct option is: D - MATTER is anything that has mass and takes up space.

37. correct option:- A :- 92 to 94 elements are naturally occur in earth.

38. correct option:- D: BAKING SODA, oven cleaner are basic and human blood is slightly basic

39. correct option is: B - frozen form of water will not have more dens than liquid form

40. correct option:- true:- the element and its element do not share same name

41. correct option:- A : 6 electrons will present

42.:- correct option:- D is correct

43.;- correct option is:- C :- subatomic particles.