WHS-Chem Test 3 - Examen
A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) + B) - C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) breaking a pencil B) digesting food C) burning wood D) cooking eggs
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Valence Electrons B) Protons C) Protons and Neutrons D) Neutrons
A) color B) shape C) density D) pH
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) protons. B) neutrons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are located in the left-most column of the periodic table. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are usually gases.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
A) exist in all three states of matter in normal conditions B) are all metals C) have only 1 valence electron D) are nonreactive
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) number; mass B) mass;number C) color; smell D) location; ionization
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali Metals
A) Akali B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkaline Earth B) Halogens C) Alkali D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 3 B) 5 C) 4 D) 2
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) According to atomic mass B) according to atomic number C) by date discovered D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) nucleus B) electrons C) protons D) neutrons
A) reactivity B) pH C) color D) flammability
A) burning B) adding dye C) crushing D) breaking
A) vary within the same element B) can only be observed by changing the substance C) only can be seen in a few elements D) can be observed with senses
A) can be observes with the senses B) only can be observed in a few elements C) vary within the same element D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) hours B) grams C) kilograms D) meters
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 1,000 B) 100 C) 1/1,000 D) 1/100
A) dependent B) independent C) control D) constant
A) length of study B) growth C) fertilizer D) strawberries
A) constant B) control C) dependent D) independent
A) stirring rod B) beaker C) graduated cylinder D) tongs
A) 0 B) 16 C) 13 D) 10
A) 17 B) 18 C) 35 D) 19
A) 10 B) 26 C) 12 D) 14
A) 18 B) 8 C) 2 D) 10
A) 115 amu B) 0.57 amu C) 5.7 amu D) 57 amu
A) 2 B) 1 C) 3 D) 4
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Thomson B) Rutherford C) Shrodinger and Heisenburg D) Bohr 
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Chadwick B) Bohr C) Dalton D) Rutherford
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) Electrons are positively charged.
A) negative charge B) smaller mass C) larger mass D) positive charge
A) protons B) electrons C) positrons D) neutrons
A) 0.33g/ml B) 3g/ml C) 72g/ml D) 1.33g/ml
A) 17.5g B) 10.7g C) 0.094g D) 24g |
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