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