Elements Crossword Puzzle

QUESTIONS LIST:

• lewis: a diagram showing only the outer valence electrons of an element.
• positive: when an element loses electrons it has this charge.
• gold: this soft metal is highly prized.
• rubidium: element with 37 electrons and 48 neutrons.
• ionic: these compounds form between metals and non-metals.
• copper: this metal is a great conductor for electricity.
• hydrogen: element with smallest mass.
• nitrogen: a gas found in air.
• mercury: this metal is a liquid at room temperature.
• atomic mass: nickel has an _ _ of 59 (2 words).
• argon: element with 18 protons and 22 neutrons.
• scandium: element with 21 protons and 24 neutrons.
• nickel: element with 28 electrons and 31 neutrons.
• atomic number: oxygen has an _ _ of 8 (2 words).
• anion: an ion with a negative charge.
• aluminum: this soft, light metal is a silver colour.
• attract: opposite charges _ .
• noble: he, ne, kr, ar, xe, rn are all _ gases.
• cation: an ion with a positive charge.
• flouride: an ion of flourine
• bromide: an ion of bromine.
• negative: when an element gains electrons it has this charge.