en CR Element 37 Copper: Colored metal, conducts heat and electricity Rubidium: A soft silvery-white metallic element, ignites spontaneously in air Sulfur: Brittle, Yellow in color; component of black gunpowder Palladium: used in fine instruments such as watches and some surgical instruments Lithium: Lightest metal, soft, reactive sometimes used as battery anode material Carbon: Hard diamond, soft graphite Phosphorus: Glowing white waxy solid (also red and black forms) Nickel: Medium -hard metal, magnetic used extensively in coinage and in making burglar-proof vaults Hydrogen: Explosive gas, lightest element Magnesium: used in flares and pyrotechnics, including incendiary bombs Helium: inert gas, second-lightest element Aluminum: cans and foils Strontium: soft metal used to produce glass for colour television tubes Cobalt: hard metal, magnetic used in magnet steels and stainless steels Zinc: non-corroding metal used to galvanize metals such as iron so as to prevent corrosion Boron: hard as diamond, it behaves like an electrical insulator, but conducts heat like a metal Zirconium: non-corroding neutron-resistant metal used as an alloying agent in steel and for making surgical appliances chlorine: used in the production of safe drinking water Sodium: table salt Silicon: used in medicine for implants Germanium: a lustrous, hard, grayish-white metalloid use as a gamma-radiation detector Manganese: a metal with important industrial metal alloy uses, particularly in stainless steels Molybdenum: a valuable catalyst in petroleum refining Beryllium: a brittle, steel-gray metal found as a component of coal, volcanic dust, and soil Krypton: A colorless, odorless, tasteless noble gas Nitrogen: a colorless gas used in ammonia Argon: used as an inert gas shield for arc welding and cutting Bromine: dark red liquid used in flameproofing agents, dyes, pesticides, etc. Fluorine: prevent tooth decay Selenium: able to convert a.c. electricity to d.c., and is extensively used in rectifiers Niobium: a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys Yttrium: increase the strengths of alloys of metals such as chromium, aluminium, and magnesium Iron: the cheapest and most abundant, useful, and important of all metals Titanium: used in aerospace industry, for both airframes and engines Potassium: used for making liquid soaps and detergents and in preparing various salts Oxygen: frequently used to aid respiration of patients in hospitals Neon: used to make high-voltage indicators, lightning arrestors, wave meter tubes, and TV tubes Calcium: important in people for strong healthy bones Xenon: used in making electron tubes, stroboscopic lamps, bactericidal lamps Gallium: wets glass or porcelain, and forms a brilliant mirror when it is painted on glass

Element

1				2											3
												4
								5
				6								D
														7
							8

				9		10									U
											11						12
	13
										14
15						E									16
											17				18
							19		20
					21				22 H				23

	24						25
	U															26
		27
					28								29
	30		B

		31											32

33 B
															34

Across:

1.	cans and foils
4.	able to convert a.c. electricity to d.c., and is extensively used in rectifiers
6.	a colorless gas used in ammonia
8.	used in fine instruments such as watches and some surgical instruments
10.	increase the strengths of alloys of metals such as chromium, aluminium, and magnesium
11.	wets glass or porcelain, and forms a brilliant mirror when it is painted on glass
14.	the cheapest and most abundant, useful, and important of all metals
15.	prevent tooth decay
17.	used as an inert gas shield for arc welding and cutting
18.	Explosive gas, lightest element
19.	non-corroding metal used to galvanize metals such as iron so as to prevent corrosion

22.	inert gas, second-lightest element
24.	Medium -hard metal, magnetic used extensively in coinage and in making burglar-proof vaults
25.	used in making electron tubes, stroboscopic lamps, bactericidal lamps
28.	frequently used to aid respiration of patients in hospitals
29.	Brittle, Yellow in color; component of black gunpowder
30.	Hard diamond, soft graphite
31.	a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys
32.	a metal with important industrial metal alloy uses, particularly in stainless steels
33.	a brittle, steel-gray metal found as a component of coal, volcanic dust, and soil
34.	dark red liquid used in flameproofing agents, dyes, pesticides, etc.

Down:

2.	used to make high-voltage indicators, lightning arrestors, wave meter tubes, and TV tubes
3.	non-corroding neutron-resistant metal used as an alloying agent in steel and for making surgical appliances
4.	table salt
5.	hard metal, magnetic used in magnet steels and stainless steels
7.	important in people for strong healthy bones
9.	Lightest metal, soft, reactive sometimes used as battery anode material
11.	a lustrous, hard, grayish-white metalloid use as a gamma-radiation detector
12.	soft metal used to produce glass for colour television tubes

13.	a valuable catalyst in petroleum refining
16.	Glowing white waxy solid (also red and black forms)
20.	used in the production of safe drinking water
21.	used in medicine for implants
23.	used in flares and pyrotechnics, including incendiary bombs
26.	used for making liquid soaps and detergents and in preparing various salts
27.	hard as diamond, it behaves like an electrical insulator, but conducts heat like a metal
30.	Colored metal, conducts heat and electricity

Element

Across:

1.	cans and foils
4.	able to convert a.c. electricity to d.c., and is extensively used in rectifiers
6.	a colorless gas used in ammonia
8.	used in fine instruments such as watches and some surgical instruments
10.	increase the strengths of alloys of metals such as chromium, aluminium, and magnesium
11.	wets glass or porcelain, and forms a brilliant mirror when it is painted on glass
14.	the cheapest and most abundant, useful, and important of all metals
15.	prevent tooth decay
17.	used as an inert gas shield for arc welding and cutting
18.	Explosive gas, lightest element
19.	non-corroding metal used to galvanize metals such as iron so as to prevent corrosion

22.	inert gas, second-lightest element
24.	Medium -hard metal, magnetic used extensively in coinage and in making burglar-proof vaults
25.	used in making electron tubes, stroboscopic lamps, bactericidal lamps
28.	frequently used to aid respiration of patients in hospitals
29.	Brittle, Yellow in color; component of black gunpowder
30.	Hard diamond, soft graphite
31.	a lustrous light gray ductile metallic element that resembles tantalum chemically and is used in alloys
32.	a metal with important industrial metal alloy uses, particularly in stainless steels
33.	a brittle, steel-gray metal found as a component of coal, volcanic dust, and soil
34.	dark red liquid used in flameproofing agents, dyes, pesticides, etc.

Down:

2.	used to make high-voltage indicators, lightning arrestors, wave meter tubes, and TV tubes
3.	non-corroding neutron-resistant metal used as an alloying agent in steel and for making surgical appliances
4.	table salt
5.	hard metal, magnetic used in magnet steels and stainless steels
7.	important in people for strong healthy bones
9.	Lightest metal, soft, reactive sometimes used as battery anode material
11.	a lustrous, hard, grayish-white metalloid use as a gamma-radiation detector
12.	soft metal used to produce glass for colour television tubes

13.	a valuable catalyst in petroleum refining
16.	Glowing white waxy solid (also red and black forms)
20.	used in the production of safe drinking water
21.	used in medicine for implants
23.	used in flares and pyrotechnics, including incendiary bombs
26.	used for making liquid soaps and detergents and in preparing various salts
27.	hard as diamond, it behaves like an electrical insulator, but conducts heat like a metal
30.	Colored metal, conducts heat and electricity