Traditional Culture Encyclopedia - Photography and portraiture - How to pronounce this barium word?
How to pronounce this barium word?
A silvery, ductile and toxic bivalent alkali metal element of the Tu nationality. Atomic number 56. -Element symbol Ba?
Silvery white, soft. It glows yellow and green when burning.
I am hydrogen, I am the lightest, and rockets rely on me to transport satellites; ? I am helium, I am a rogue, and I have the worst gain and loss of electrons;
I am lithium, with low density, which bubbles when it meets water and acid; ? I am beryllium, cheating, although metal is difficult to ionize;
I am boron, a little red, and poor in electronics; ? I am carbon, slow to react, and can form a chain into a ring;
I am nitrogen, I am a flame retardant, and hydrogenation can synthesize ammonia; ? I am oxygen, don't think about it, I will be flustered when I leave;
I am fluorine, the most vicious, and it is enough to catch an electron; ? I am neon, not bad. When I was electrified, the red light was released.
I am sodium, with a big temper, and I get angry when I meet acid and water; ? I am magnesium, I love beauty most, and my photography and fireworks are brilliant;
I'm Al. I bathe in concentrated sulfuric acid at room temperature. ? I am silicon, black ash, and information components pile me up;
I am phosphorus, a pest, and my name is on the poison list; ? I am sulfur, and I have been good at precipitating metals for a long time.
I am chlorine, yellow-green, and I rob metal electrons; ? I am argon, which has poor activity and emits neon purple light;
I am potassium, and when I add fire, superoxide will charge; ? I am calcium, body love, bones and teeth;
I'm titanium. I'll cover the space shuttle. ? I am chromium, hexachrome, and alcohol turns green;
I am manganese, with many valence states, and seven oxides explode violently; ? I am iron, which is widely used. Stainless steel calls me Ye.
I am copper, purple in color and brown in nitric acid gas; ? I am arsenic, with deep color, and trivalent elements take away your soul;
I am bromine, volatile smell, liquid non-gold, I will show it; ? I am rubidium, an alkali metal, not as good as potassium in water and fireworks;
I am iodine, sublimation smoke, and I meet starch blue spots; ? I am cesium, golden yellow, and the water container is broken;
I am tungsten, the temperature is high, and other metals die early; ? I am Kim, very stable, and I am invisible when I throw it at the king;
I am mercury, highly toxic, and liquid metal is my only one; ? I am uranium. After enrichment, I am best at building atomic bombs.
I am gallium, with high boiling point, easy to melt and difficult to evaporate; ? I am indium, soft as gold, so be careful if there is any radiation;
I am thallium, I can lose my hair, and I am famous for poisoning Tsinghua. ? I am germanium, but the lattice and infrared window can be used as the shell;
I am selenium, which supplements the human body, and oral liquid has mystery; ? I am lead, I can store electricity, and I also appear in bullets.
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