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