Elementos Flashcards
What is the chemical symbol for silver?
Ag
Is silver a metal or a non-metal?
Metal
True or False: Argon is a noble gas.
True
What is the primary use of radium?
It was used in luminous paints and medical treatments.
Fill in the blank: The chemical symbol for gold is ____.
Au
What is the state of aluminum at room temperature?
Solid
Which element has the highest electrical conductivity: silver, gold, or aluminum?
Silver
True or False: Calcium is an alkaline earth metal.
True
What is the melting point of gold in Celsius?
1064
What is the density of silver in g/cm³?
10.49
Fill in the blank: The chemical symbol for aluminum is ____.
Al
What is the primary characteristic of noble gases like argon?
They are chemically inert.
What color is radium in its pure form?
Silvery white
What is the boiling point of argon in Kelvin?
87.3 K
What is a common use of aluminum?
In packaging and construction.
True or False: Silver tarnishes when exposed to sulfur compounds.
True
What is the atomic mass of calcium?
40.08 u
What property makes gold desirable for jewelry?
Its resistance to corrosion and tarnishing.
Fill in the blank: The atomic number of aluminum is ____.
13
What is the primary characteristic of silver?
High reflectivity and conductivity.
What is the oxidation state of calcium in compounds?
+2
Is aluminum reactive with acids?
Yes
What is the standard state of radium?
Solid
What is the primary characteristic of gold?
Its malleability and ductility.
What is the density of argon in g/L?
1.784
