【題目】關(guān)于金屬在自然界中存在形式的說法中正確的是(雙選)(

A.金、銀可在自然界中以單質(zhì)形式存在,是因?yàn)樗鼈兊幕顒有院苋?/span>

B.在自然界中很難找到以單質(zhì)形式存在的金屬,是因?yàn)榻饘儋Y源太少

C.在自然界中存在最多的單質(zhì)是鐵

D.金屬礦物廣泛存在于地殼和海洋中

【答案】AD

【解析】地球上的金屬資源廣泛存在于地殼和海洋中,少數(shù)很不活潑的金屬如金、銀等以單質(zhì)形式存在.

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