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