A) It is composed of protons and neutrons B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) - B) 0 C) +
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Alphabetical Order B) Atomic Mass C) Atomic Number D) Discovery Date
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) color B) shape C) pH D) density
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are extremely rare in nature. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) are nonreactive B) are all metals C) exist in all three states of matter in normal conditions D) have only 1 valence electron
A) In the bottom rows. B) On the left-most side. C) In the middle column of the periodic table. D) On the right side.
A) number; mass B) color; smell C) location; ionization D) mass;number
A) 6 neutrons B) 12 neutrons C) 3 neutrons D) 8 neutrons
A) Alkali Metals B) Halogens C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) 4 B) 5 C) 2 D) 3
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) by date discovered B) alphabetically C) according to atomic number D) According to atomic mass
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) color B) pH C) flammability D) reactivity
A) adding dye B) crushing C) burning D) breaking
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) vary within the same element C) only can be observed in a few elements D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) it will sink B) it will float C) not enough information
A) kilograms B) meters C) grams D) hours
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 1,000 B) 100 C) 1/1,000 D) 1/100
A) constant B) control C) dependent D) independent
A) length of study B) growth C) strawberries D) fertilizer
A) independent B) constant C) dependent D) control
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 16 B) 13 C) 10 D) 0
A) 35 B) 19 C) 18 D) 17
A) 14 B) 10 C) 26 D) 12
A) 8 B) 2 C) 10 D) 18
A) 57 amu B) 5.7 amu C) 0.57 amu D) 115 amu
A) 4 B) 2 C) 1 D) 3
A) Dalton B) Bohr C) Thomson D) Rutherford
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Bohr B) Thomson C) Shrodinger and Heisenburg D) Rutherford
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Dalton B) Bohr C) Chadwick 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) positive charge B) negative charge C) smaller mass D) larger mass
A) protons B) positrons C) electrons D) neutrons
A) 3g/ml B) 0.33g/ml C) 1.33g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 24g D) 0.094g |