FAQs
: Questions
? What is the first element on the periodic table- |
? What is the centre of an atom called - |
?True or false? Acids have a pH level below 7. |
?What is the main gas found in the air we breathe |
True or false? An electron carries a positive charge. |
? Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field |
? What is the chemical symbol for gold |
? K is the chemical symbol for which element |
? What orbits the nucleus of an atom |
? At room temperature, what is the only metal that is in liquid form |
? True or false? A neutron has no net electric charge |
?A nuclear reaction where the nucleus of an atom splits into smaller parts is known as nuclear fission or nuclear fusion |
? What is H20 more commonly known as |
? What is the third most common gas found in the air we breathe |
?What is the name given to substances that are initially involved in a chemical reaction |
? True or false? Bases have a pH level below 7 |
? Is sodium hydroxide (NaOH) an acid or base |
? Atoms of the same chemical element that have different atomic mass are known as |
? True or false? A proton carries a positive charge |
? What is the fourth most abundant element in the universe in terms of mass |