Science Chemistry C1a 1

Science Chemistry C1a 1

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WHAT IS EVERYTHING MADE OF?

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ATOMS

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WHY CAN YOU ONLY SEE ATOMS WITH POWERFUL MICROSCOP

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BECAUSE ATOMS ARE TINY

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WHAT IS AN ELEMENT?

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1 TYPE OF ATOM

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WHAT DOES A NUCLEUS CONTAIN?

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PROTONS AND NEUTRONS

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WHAT ARE THOSE THINGS IN SHELLS THAT WHIZ AROUND T

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ELECTRONS

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WHAT IS A MOLECULE?

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2 OR MORE ATOMS CHEMICALLY BONDED

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WHAT ARE ELEMENTS COMBINED WITH OTHER ELEMENTS CAL

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COMPOUNDS

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WHAT IS THE TABLE THAT ALL THE ELEMENTS ARE ARRANG

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THE PERIODIC TABLE

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WHAT ARE COLUMNS IN THE PERIODIC TABLE CALLED?

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GROUPS

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WHAT ARE ROWS IN THE PERIODIC TABLE CALLED?

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PERIODS

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WHAT IS THE FIRST GROUP OF ELEMENTS IN THE PERIODI

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THE ALKALINE METALS

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THE HIGHER THE ATOMIC NUMBER OF AN ELEMENT THE MOR

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PROTONS

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WHAT IS LIMESTONE MAINLY?

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CALCIUM CARBONATE

(CaCO3)

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What is the process called when calcium oxide (qui

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THERMAL DECOMPOSITION

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WHAT DO YOU GET WHEN YOU MIX QUICKLIME AND WATER?

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SLAKED LIME (CALCIUM HYDROXIDE)

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LIMESTONE AND CLAY ARE HEATED TO MAKE?

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CEMENT

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CEMENT IS MIXED WITH SAND AND WATER TO MAKE....?

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MORTAR

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WHAT 4 MATERIALS MAKE CONCRETE?

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CEMENT, SAND, WATER, AND GRAVEL

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WHAT 3 MATERIALS MAKE GLASS WHEN HEATED?

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LIMESTONE, SAND AND SODIUM CARBONATE

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4 DISADVANTAGES TO QUARRYING LIMESTONE.....

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  • LOOKS UGLY
  • MAKES NOISE AND DUST
  • DESTROYS HABITATS
  • THE LORRIES MOVING THE LIMESTONE CAUSES POLLUTION AND MORE NOISE.
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HOW DOES MAKING THINGS FROM LIMESTONE CAUSE POLLUT

  • CEMENT FACTORIES CREATE DUST
  • ENERGY FROM FOSSIL FUELS IS USED TO MAKE CEMENT AND QUICKLIME
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WHY CAN USING LIMESTONE BE GOOD? (5 REASONS)

  • PROVIDES RESOURCES
  • NEUTRALISES ACIDIC LAKES AND SOIL
  • NEUTRALISES SULPHUR DIOXIDE FROM POWER STATION CHIMNEYS
  • PROVIDES JOBS AND MONEY TO LOCALS
  • ONCE QUARRYING IS COMPLETED, AS PART OF PLANNING PERMISSION, THE LANDSCAPE HAS TO BE RESTORED
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IS LIMESTONE WIDELY AVAILABLE AND CHEAP OR LIMITED

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WIDELY AVAILABLE AND CHEAP

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1 REASON FOR AND AGAINST GLASS..

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  • LOOKS GOOD
  • SHATTERS INTO SHARP PIECES
  • PROVIDES INSULATION
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Comments

Chandni Amin

yeaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaah baby

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