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