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